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Patent No. 6125480

Vehicle mounted toilet seat

An extension member is attachable to a trailer hitch and extends away from the vehicle and is connected to a seating frame supporting a toilet seat.

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Attorney: Parmelee, Bollinger & Bramblett


Number of patents: 572
Last date: July 01, 1997

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NumberTitleIssue Date
5644134Sun sensors
A method is provided for greatly increasing the ratio of direct sunlight to earthshine in a sun sensor used on a spacecraft which is orbiting the earth and is used for the attitude determination of spacecraft with respect to the sun illuminated earth. The...
07/01/1997
5638444Secure computer communication method and system
Communication between a plurality of computers which are intercoupled or networked is provided in confidential form using password protection in combination with a special hardware token which is used to generate a one-time random session ciphering key....
06/10/1997
5619204Analog-to-digital converter with optional low-power mode
An IC chip having an analog-to-digital converter together with control circuitry for effecting switchover between normal-power mode and low-power mode. The control circuitry includes a first D-type flip-flop with reset which receives on its "D" input a co...
04/08/1997
5612697D/A converter with differential switching circuit providing symmetrical switching
A digital-to-analog converter including a plurality of binarily-weighted stages each incorporating a differential switch-pair circuit which includes two matched bipolar switch transistors the bases of which are driven by a corresponding pair of complement...
03/18/1997
5612639Capacitor charging circuit with process variation compensation
A frequency-responsive integrated circuit (IC) for determining when the frequency of a clock pulse input signal is below a predetermined threshold level, the IC including a capacitor charged up at a nearly constant rate by a current source. If the capacit...
03/18/1997
5606922Table leg latch mechanism
A folding and latching mechanism for a table leg includes a recess into which a latching pin is moved when the leg is erected. A spring-loaded latching bar includes a camming surface which bears against the latching pin on a diagonal tangent. The force ap...
03/04/1997
5603388Electric powered bicycle
An electric powered bicycle having a dip sensor or switch and/or a gradient sensor or switch. The bicycle has front and rear wheels each rotatably supported by a frame; a chain slung between the wheels and a chainset for transferring manual power to the w...
02/18/1997
5602448Electric powered bicycle
An electric powered bicycle having a dip sensor or switch and/or a gradient sensor or switch. The bicycle comprises front and rear wheels each rotatably supported by its frame; a chain slung between said wheels and a chain set for transferring manual powe...
02/11/1997
5594266Integrated circuit (IC) with a two-terminal diode device to protect metal-oxide-metal capacitors from ESD damage
An ESD protective clamp device comprised of a two-terminal diode formed in an isolated chip cell. The lower part of this chip cell region contains a buried layer of silicon with P-type dopant, and the upper part is an epitaxial layer also with P-type dopa...
01/14/1997
5574401Large common mode input range CMOS amplifier
A CMOS amplifier input stage including an NMOS differential pair connected in parallel with a PMOS differential pair. Each pair is connected to a tail-current transistor of the same type, and the combined circuits are coupled between positive and negative...
11/12/1996
5573887Method of transferring images using an intermediate carrier
The invention relates to a method of transferring an image of a master pattern by an intermediate carrier being a laser copy of the master pattern onto a carrier, for example a plate of metal. The surface of the carrier is provided on one side with a laye...
11/12/1996
5572316Analog sun sensor
Continuous positional information for an orbiting body such as a spacecraft, satellite, or the like with respect to a reference body, for example, the sun, is provided by a first continuous sensor which continually views the sun from the orbiting body and...
11/05/1996
5569621Integrated circuit chip supported by a handle wafer and provided with means to maintain the handle wafer potential at a desired level
An SOI/DI IC chip including a handle wafer in the form of a section of silicon substrate contiguous with the layer of insulation beneath the silicon slice containing the device regions separated by trenches filled with low-conductivity polysilicon dielect...
10/29/1996
5568945Stabilizing bracket for adjustable meter setter
A stabilizing bracket for an adjustable water meter setter is cruciform in shape to fit within a subterranean housing enclosing the setter and meter. The two arms are mutually orthogonal and extend to near the housing sidewall. One of the arms has opening...
10/29/1996
5570090DAC with digitally-programmable gain and sync level generation
An integrated-circuit (IC) chip formed with a D/A converter (DAC) having a digitally-programmable circuit for setting the full-scale output range of the DAC by controlling its gain. The IC chip further includes analog sync level generator circuitry for dr...
10/29/1996
5560302Table bridging apparatus
A bridge interconnects two table tops and is supported solely by the table tops themselves, employing connector bars which normally serve to gang tables together. Alignment pins on the bottom surface of the bridge engage openings in the connector bars. A ...
10/01/1996
5556434Replacement hip joint
Three axis movement emulating the action of a natural hip joint is provided by a universal assembly mounted on movable roller bearings in a horizontal swivel. A stem attached to the universal assembly is adapted to be implanted in the femur of the user. T...
09/17/1996
5555125Optical scanner
Optical scanner having a laser source for generating a laser beam, a first deflector for deflecting the laser beam towards an array of reflectors, the first deflector and the array of reflectors being rotatable relative to each other about a first axis, d...
09/10/1996
5549689Prosthetic knee
An artificial knee joint is provided in which a femoral component, a tibial component and a patella component simulate all the movements of a natural knee utilizing movable bearings between such components and elements thereof. In addition, a portion of t...
08/27/1996
5541620CRT cursor control system
A cursor control system where the starting x-axis pixel position of the cursor pattern is determined by decoding the last two bits of the preloaded x-axis address (as determined by a manual control manipulated by the operator). This decoded data produces ...
07/30/1996
5538647Method of preventing contaminant buildup in a reusable solvent
A filtration system removes both particulate and dissolved matter from liquid cleaning solvent. The system is enclosed within a single unit which incorporates both a positive displacement pump and a filter assembly. The filter assembly includes a two stag...
07/23/1996
5537079Integrated-circuit (IC) amplifier with plural complementary stages
An IC amplifier having first and second cascaded stages formed by respective pairs of symmetrical complementary bipolar transistors followed by a unity gain buffer amplifier and provided with overall current feedback. The quiescent collector currents of t...
07/16/1996
5537012DC motor control circuit and DC motor
A DC motor control circuit for controlling a restraint torque of a DC motor which continues the rotation by triggering an external force. This control circuit is installed in a DC motor. In a DC motor control circuit comprising a drive transistor collecto...
07/16/1996
5535174Random access memory with apparatus for reducing power consumption
A random access memory (RAM) having an array of memory cells the signal lines to which are activatable by corresponding current sources. The memory is divided into "pages", and control pulses are produced to turn on the current sources involved in activat...
07/09/1996
5529939Method of making an integrated circuit with complementary isolated bipolar transistors
Process for making an integrated-circuit (IC) chip with junction-isolated complementary bipolar transistors. In this process an N-well is formed in a P-type substrate. P-type dopant is implanted in the N-well to become a sub-collector for a pnp transistor...
06/25/1996
5526447Batched character image processing
Character recognition processing wherein each of a batch of documents is scanned to produce corresponding scan data signals forming a rectilinear data array of binary bits at the intersections of a rectangular coordinate grid. These signals are stored and...
06/11/1996
5516505Method for using cryogenic agents for treating skin lesions
A method for cryogenically treating skin lesions employing a device for applying cryogenic refrigerant in a liquid pool contacting the area of the skin lesion at a temperature and for a time such that permanent, irreversible rupture of the cellular membra...
05/14/1996
5514183Reduced friction prosthetic knee joint utilizing replaceable roller bearings
A roller bearing knee replacement joint is provided in which a femoral component attached to the surgically prepared distal femur is positioned for articulation on a tibial component, which simulates the articulating surface of the natural tibia. The arti...
05/07/1996
5510789Algorithmic A/D converter with digitally calibrated output
A multistage pipelined algorithmic A/D converter digitally calibrated to avoid errors due to charge injection, offset and capacitor mismatch. To perform this calibration, measurements are made at the converter to determine the degree of capacitor mismatch...
04/23/1996
5507204Crank Handle
An adjustment crank is mountable to the underside of a table top by a bracket in which it is both rotatable and translatable. The crank includes a tube which carries internal splines. An adjustment shaft extends into the tube and carries mating splines. T...
04/16/1996
5498293Cleaning wafer substrates of metal contamination while maintaining wafer smoothness
Process for cleaning wafer substrates of metal contamination while maintaining wafer smoothness by contacting the wafer substrates with a cleaning composition comprising an aqueous, metal ion-free base and an amphoteric surfactant and optionally a metal c...
03/12/1996
5490466Adjustable keyboard support
A table top is provided with a vertically adjustable keyboard support platform which is suspended on a parallel linkage assembly. The parallel linkage rotates about a pair of rotatable pivot rods carried by the underneath side of the platform. A gas sprin...
02/13/1996
5490467Folding table mechanism
A mechanism for folding the T-leg of a table is contained within a tubular housing carried by the end of the pedestal portion of the leg. Spring-loaded cams at each end of the housing slide in slotted frames mounted to the underside of the table. A lockin...
02/13/1996
5487602Multi-screw, extrusion-compounding machine with modular mixing elements
Multi-screw, extrusion-compounding machines having co-rotating screw assemblies incorporating sets of modular mixing elements of non-symmetrical geometries with relatively large wing tip clearances. These sets of non-symmetrical modular mixing elements ar...
01/30/1996
5480043Two-handle collar for a baby bottle for helping the baby hold and support a bottle while drinking through a nipple
A two-handle collar for a baby bottle for helping a baby hold and support the bottle while drinking through a nipple, wherein the bottle has a neck with a mouth at one end and a bottom at the other end. An attachment on the neck is used for mounting a nip...
01/02/1996
5480122Shut-off valve for installation immediately downstream from a defective valve mounted into the compression-connection type of outlet of the defective valve
A trouble-shooting shut-off valve includes an inlet-tail-tube mountable directly into a compression-fitting outlet socket of a defective shut-off valve, thus positioning the trouble-shooting valve immediately downstream from the defective valve in line in...
01/02/1996
5479048Integrated circuit chip supported by a handle wafer and provided with means to maintain the handle wafer potential at a desired level
An SOI/DI IC chip including a handle wafer in the form of a section of silicon substrate contiguous with the layer of insulation beneath the silicon slice containing the device regions separated by trenches filled with low-conductivity polysilicon dielect...
12/26/1995
5477078Integrated circuit (IC) with a two-terminal diode device to protect metal-oxide-metal capacitors from ESD damage
An ESD protective clamp device comprised of a two-terminal diode formed in an isolated chip cell. The lower part of this chip cell region contains a buried layer of silicon with P-type dopant, and the upper part is an epitaxial layer also with P-type dopa...
12/19/1995
5464533Solvent cleaning system with two stage filter
A filtration system removes both particulate and dissolved matter from liquid cleaning solvent. The system is enclosed within a single unit which incorporates both a positive displacement pump and a filter assembly. The filter assembly includes a two stag...
11/07/1995
5458477Apparatus for continous three-dimensional forming of heated thermoplastic materials
Continuous impression forming of three-dimensional products from heated, formable thermoplastic materials between top and bottom mold carriages each having a three-dimensional forming belt mold revolvable around the carriage. Each three-dimensional formin...
10/17/1995
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