Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 6962573 | C-shaped cross section tubular ophthalmic implant for reduction of intraocular pressure in glaucomatous eyes and method of use A tube for implantation into the eye for replacement conduction of aqueous humor from the chambers of the eyeball to the subconjunctival tissue and ultimately to the venous system is comprised of an elongated fluid conducting conduit having distal and proximate ends... | 11/08/2005 |
| 6925179 | Method and apparatus for a hearing aid coupling system An audio coupler device for communication with a T-coil in a hearing aid is described to fit inside the receiver section of a handset as defined. The coupler device is so mounted inside the receiver section as to provide strong inductive coupling with a T-coil insid... | 08/02/2005 |
| 6910539 | Tool for driving pins A tool is provided for driving a landscape pin. The tool has a frame, a base, a hammer, and driving device. The frame is sized to house the landscape pin. The base is attached to the frame and has a slot formed therein. The slot is disposed within the frame and size... | 06/28/2005 |
| 6900536 | Method for producing an electrical circuit An electrical circuit is formed by forming and patterning a conductive layer on a substrate, forming and patterning a conductive layer on another substrate, depositing a dielectric layer on at least a portion of one of conductive layers, mounting an integrated circu... | 05/31/2005 |
| 6851902 | Cargo tie-down system A cargo restraint system comprising, a network of restraining tie-down arms having interconnected common proximal extremities and a plurality of distal extremities, said network arranged to form an angle between each arm, the vertex of said angle being congruent wit... | 02/08/2005 |
| 6848883 | Hay bale spear A loader bucket mounted bale spear comprising an inverted âTâ shaped unitary frame having a transverse base adapted to sit on the floor of the bucket and having a stem attached perpendicularly to the base with a free distal end, a plurality of same facing socket... | 02/01/2005 |
| D501521 | Hand racket | 02/01/2005 |
| 6777829 | Rectifier utilizing a grounded antenna A rectifier generates a rectified output and a dc power output. The rectifier has an antenna element, a tuning capacitor, a coupling capacitor, first and second rectifying diodes, and a storage capacitor. The antenna element and the tuning capacitor are coupled in p... | 08/17/2004 |
| 6776076 | Angle gauge An angle sensor has a miter bar, a fence, a rotary sensor, a display, and a processing system and may additionally have a head plate, an auxiliary fence, means for detachably affixing the miter bar to a saw blade, and a power source. The miter bar has a longitudinal... | 08/17/2004 |
| 6775205 | Wrist-borne radiotelephone set A radiotelephone set in which a case housing a miniature microwave transceiver is strapped to the wrist of a user's hand, a microphone mounted on the strap being connected to the transceiver input whereby when the hand is raised to bring the microphone adjacent the ... | 08/10/2004 |
| 6772934 | Kinetic energy welding process A method of laminating a plurality of metal plates one to another, comprising steps of (a) arranging at least first and second generally planar metal plates having exposed surfaces into a spaced apart parallel relationship with one another, (b) anchoring the spaced ... | 08/10/2004 |
| 6760246 | Method of writing ferroelectric field effect transistor A ferroelectric field effect transistor (FET) has a gate, source, drain, and substrate. A negative voltage is applied to the gate. Ground potential is applied to the source, drain, and substrate. The negative voltage has a magnitude at least equal to the coercive vo... | 07/06/2004 |
| 6695841 | Percutaneous scaphoid fixation method and guide wire alignment device A method and associated apparatus for percutaneous internal fixing of a fractured limb bone comprising, placing the limb in a stabilizing clamp that is transparent to x-ray radiation, demonstrating the fractured bone to be fixed, resolving the course thro... | 02/24/2004 |
| 6672395 | Equine balancing hoof appliance An equine hoof appliance for horses, comprising a substantially flat pad having the general shape of the footprint of a horse's hoof and defining a curved toe portion and a substantially flat rear edge portion. The pad attaches to the ground-contacting su... | 01/06/2004 |
| 6639459 | Demodulator using digital circuitry A demodulator converts a voltage input to an output voltage. The demodulator has a voltage-controlled oscillator (VCO), a counter, a holding apparatus, and a digital compare apparatus. The VCO generates a signal having a frequency proportional to the anal... | 10/28/2003 |
| 6604898 | Vehicular cargo anchor A cargo anchor primarily intended for attachment to the upper edge of the side of an open bed truck, comprising a journal box and an integral clamping apparatus. The journal box comprises a base member, a cleat superimposed on the base member and screws f... | 08/12/2003 |
| 6589242 | Percutaneous scaphoid fixation method and device A method and apparatus for percutaneous internal fixing of a fractured limb bone including, placing the limb in a stabilizing clamp, demonstrating the fractured bone to be fixed, resolving the course through the fractured bone of an intended fixation devi... | 07/08/2003 |
| 6578814 | Concrete flat work form An expendable article for forming the side edge of a poured in place concrete structure. The article is formed as a fabricated, elongated hollow corrugated paper box having three interconnected sides that together define in cross section a right triangula... | 06/17/2003 |
| 6532878 | Slot-to-slot interlocking shelving A shelving unit that comprises shelves that are interconnected without fasteners to form a free standing piece of furniture, having a base shelf and at least one additional shelf, a plurality of spaced apart elongated mutually parallel slots disposed tran... | 03/18/2003 |
| 6450178 | Interactive mascara brush2 An interactive mascara applicator (10) comprising: a handle end portion (40); an opposite bristle/brush end portion (80); and a rotating disc (50) positioned about the handle end portion (40) which when moved causes the bristles to change positions with r... | 09/17/2002 |
| 6442913 | Freestanding wall A freestanding wall is constructed by erecting at least two upright supports. The upright supports are either posts or columns. Upper and lower horizontal structure members are fastened to the upright supports. Vertical intermediate framing members are se... | 09/03/2002 |
| 6413280 | Hip joint prosthesis A hip joint prosthesis comprising a femoral stem, adapted for implant into the medullary canal of a human leg femur, said stem having a superior neck portion whose longitudinal axis is arcuate, forming concave and convex portions thereof, and terminating ... | 07/02/2002 |
| 6398230 | Roller skate with angled wheels A roller skate has a base, a plurality of tandem frames, a like plurality of axles, and a like plurality of wheels. Each frame is affixed to the base and has bilateral, spaced apart, opposing side walls that define a wheel well. Adjacent side walls of the... | 06/04/2002 |
| 6398231 | Roller skate with angled wheels A roller skate includes at least one mounting plate affixed or integral to an article of footwear, a bilateral frame, a plurality of axles, and a plurality of wheels. The bilateral frame is affixed to each mounting plate. The frame also includes a plurali... | 06/04/2002 |
| 6393791 | Freestanding wall A freestanding wall is constructed by erecting at least two upright supports. The upright supports are either posts or columns. Upper and lower horizontal structure members are fastened to the upright supports. Vertical intermediate framing members are se... | 05/28/2002 |
| 6390642 | Tracer light for archer's arrow An illuminated archery arrow that includes conventional components such as a tubular shaft, a pointed head attached to the forward end of the shaft, fletchings on the rearward portion of the shaft and a nock at the rear end of the shaft. The arrow structu... | 05/21/2002 |
| 5905786 | Console and extension telephone system A system and method for altering an incoming ring signal to produce a selected ring signal on a telephone device. The incoming ring signal is accompanied by a caller ID packet and provided by a telephone utility provider responsive to a call made by a cal... | 05/18/1999 |
