Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 4950980 | Test socket for electronic device packages A socket having an array of terminals adapted for insertion into a burn-in board is adapted to interconnect respective pins of a high pin density integrated circuit package to the terminals. The socket includes a lid with an array of holes for receiving t... | 08/21/1990 |
| 4900073 | Privacy door latch A door latch includes an elongated stationary case and a latch bolt mounted to reciprocate longtudinally in the case between outwardly extended and inwardly retracted positions. The latch bolt is driven between the two positions by a driver mechanically c... | 02/13/1990 |
| 4897512 | Extension cord apparatus Improved storage apparatus for electric extension cords and the like that includes a reel for storing a power cord or pig tail, a second drum for storing the extension cord, and that further includes level wind apparatus which uniformly locates the extens... | 01/30/1990 |
| 4890196 | Solderable heat sink fastener Disclosed are solderable fastener devices for mounting heat sinks and electronic device packages on circuit boards. The fastener includes at least one mounting member extending to the circuit board and adapted for soldering thereto. The mounting member sp... | 12/26/1989 |
| 4884331 | Method of manufacturing heat sink apparatus Unitary heat sink apparatus for use in removal of heat from a heat generating component is disclosed which includes a heat sink body formed by extrusion. Parallel fins extend outwardly a first predetermined distance for the heat sink body and are separate... | 12/05/1989 |
| 4879891 | Method of manufacturing heat sink apparatus Unitary heat sink apparatus for use in removal of heat from a heat generating component is disclosed which includes a heat sink body formed by extrusion. Parallel fins extend outwardly a first predetermined distance from the heat sink body and are separat... | 11/14/1989 |
| 4874925 | Electrically heated hose assembly for conveying electrically conductive liquids An electrically heated hose for providing heat only to the section of hose which contains an electrically conductive liquid therein includes a plurality of resistance heating elements positioned between inner and outer layers of electrically insulative ma... | 10/17/1989 |
| 4874560 | Apparatus for effecting selected patterns of fluid flow Disclosed are methods and apparatus for effecting a selected pattern of fluid flow wherein a first fluid is caused to flow along the surface of a body and a second fluid is caused to flow out of a plurality of holes in the surface of the body. The holes a... | 10/17/1989 |
| 4869674 | Cradle for electronic device package The leads of surface-mountable electronic device packages are protected against damage from inadvertent bending by storage in a two-piece cradle. A plurality of peripheral ribs interdigitate with the leads to maintain preferred lead orientation leaving th... | 09/26/1989 |
| 4866319 | Erasing machine A hand-held, motor-driven erasing machine which operates directly from the nominal wall outlet voltage and comprises a generally tubular housing having a front portion and a rear portion which are releasably attached together. A chuck tube is mounted for ... | 09/12/1989 |
| 4861173 | Bearing locking apparatus Disclosed are methods and apparatus for controllably locking a shaft to a bearing surface moveable thereupon to permit or prevent axial movement of the bearing with respect to the shaft. In one embodiment an axially extending flap is formed in the shaft w... | 08/29/1989 |
| 4853317 | Method and apparatus for serializing printed circuit boards and flex circuits A method and apparatus for providing serialization of printed circuit boards and flex circuits during the normal process of manufacture of the boards and circuits is disclosed and includes a print module which prints the serializing information on the sur... | 08/01/1989 |
| 4852598 | Bed tent A bed tent with a base portion snugly fitted around a mattress and a canopy portion connected to the base portion along its lower periphery is supported in an upright position over the mattress to provide an enclosure having a bottom surface area substant... | 08/01/1989 |
| 4848109 | Theft prevention apparatus A motor vehicle is disclosed including an apparatus for preventing theft of a spare tire, including a tire rim forming an aperture, a spare tire mounted on the rim, a bracket, sling or cable lift for securing the spare tire and rim, a metal shaft securely... | 07/18/1989 |
| 4847449 | Alignment apparatus for use in mounting electronic components and heat sinks on circuit boards Alignment apparatus for receiving, aligning and retaining the pin connectors of an electronic component package in predetermined relationship is used to maintain proper alignment of the pin connectors with preformed holes or mounting pads on a printed cir... | 07/11/1989 |
| 4825574 | Mounting and display medium for a visual display Disclosed is a mounting and display medium comprising a foldable support base with a pressure-sensitive adhesive on one major face thereof and a release material covering the adhesive. A window is defined in one section of the support base by a continuous... | 05/02/1989 |
| 4826404 | Marine propeller and hub assembly A hub assembly comprising a driver telescoped within a driven member is disclosed. A plurality of elastomeric members are disposed between the driving and driven members within mating parallel semi-circular grooves in the opposed surfaces of the driving a... | 05/02/1989 |
| 4817862 | Control apparatus Control apparatus for controlling the operation of a gas valve in a gas heating system which includes thermostatic switch means and a source of AC voltage which are connected to form a series circuit with the gas valve is disclosed. The control apparatus ... | 04/04/1989 |
| 4812856 | Method and apparatus for dispensing a fluid with dispersed particles therein Methods and apparatus for dispensing a fluid with dispersed particles therein are disclosed which include a reservoir containing the fluid and dispersed particles. The fluid is agitated to maintain dispersion of the particles. The output of the reservoir ... | 03/14/1989 |
| 4808119 | Zero insertion force mounting housings for electronic device packages Disclosed are mounting housings for use on burn-in boards, circuit boards and the like. The housings include an insulating base support containing a plurality of electrically conductive axially elongated pins extending therethrough. A spreader mounted for... | 02/28/1989 |
| 4807449 | Latent heat economizing device for refrigeration systems A latent heat economizing device having a shell forming a chamber, a saturated refrigerant inlet, a liquid refrigerant outlet, a dual air pass and a suction gas pass is provided for installation in the liquid refrigerant line of a refrigeration system pri... | 02/28/1989 |
| 4806064 | Compensating roll pin for heat sink mounting Disclosed is a compensating roll pin securing a heat sink to a circuit board. The roll pin comprises a deformable body of resilient material, such as annealed spring steel, formed into a generally cylindrical body having first and second end portions sepa... | 02/21/1989 |
| 4800538 | Method of and systems for seismic exploration Described are methods of and systems for seismic exploration wherein a master station and a plurality of slave stations are utilized in conjunction with remotely located seismic sources. The system includes apparatus at the master station for generating a... | 01/24/1989 |
| 4797862 | Seismic generator The method and apparatus for generating seismic vibrations in a liquid includes an electronically controlled, hydraulically powered generator that includes a piston assembly reciprocally mounted on a cylindrical post in a generator housing. The control ap... | 01/10/1989 |
| 4781168 | Archery bow An archery bow having spaced upper and lower pulley assemblies rotatively mounted on either end of the bow handle. Upper and lower limbs are pivotally mounted on either end of the handle. A bowstring extends between the tips of the limbs. A pair of tensio... | 11/01/1988 |
| 4782515 | Digitally controlled intercommunications system An intercommunications system for the selective establishment of two-way communications between a multiplicity of stations is disclosed and comprises a terminal located at each station and a communications network including a predetermined number of lines... | 11/01/1988 |
| 4780801 | Uninterruptible power supply apparatus Uninterruptible power supply apparatus which provides for supplying ac power to equipment even if and when the primary ac power is interrupted is disclosed and comprises an ac to dc converter connected to receive the primary ac power. The output of the ac... | 10/25/1988 |
| 4758821 | Methods and apparatus for analog-to-digital conversion An analog-digital converter includes a source of high frequency pulses comprising a variable frequency oscillator having an output frequency f which is a function of an analog condition. Also included is a source of a reference signal, preferably pulses, ... | 07/19/1988 |
| 4754260 | Method of and apparatus for reducing quantizing noise in analog to digital converters A system with improved signal-to-noise ratio for digitizing a representation of an analog condition comprises two oscillators for generating high frequency digital pulse signals, the frequencies of which are harmonically related one to the other. One of t... | 06/28/1988 |
| 4752984 | Dental brace toothbrush Disclosed is a toothbrush and a method for cleaning teeth having a dental brace mounted thereon. The toothbrush includes a handle and a head portion on one end of the handle. A plurality of bristles are mounted on the head portion and arranged into a sing... | 06/28/1988 |
| 4751687 | Methods of reducing harmonic distortion in continuous wave seismic exploration Described is a method of driving a seismic vibrator with a control signal to produce an output signal having minimized harmonic distortion. The method includes the steps of producing a plurality a harmonic distortion signals related to a fundamental frequ... | 06/14/1988 |
| 4745456 | Heat sink clip assembly Disclosed is a heat sink clip assembly comprising a frame and a clip for securing and aligning a heat sink with an electronic device package. The frame includes a cavity for receiving the electronic device package with the leads thereof exposed for mounti... | 05/17/1988 |
| 4744010 | Electrical component mounting apparatus with isolated conductors Apparatus for the removable mounting of electrical components such that the connecting and/or disconnecting of the electrical component to or from electrical conductors does not expose an individual to contact with the electrical conductors is disclosed. ... | 05/10/1988 |
| 4729426 | Bonded clip heat sink A heat sink having a clip bonded thereon for resiliently securing the heat sink to an electronic device package. The clip includes an integral standoff directly bonded to the heat sink for spacing the clip from the heat sink. Preferably the heat sink and ... | 03/08/1988 |
| 4729960 | Method of prospecting for hydrocarbon deposits Disclosed are methods of prospecting for subterranean deposits of hydrocarbon. Earth samples are taken at various depths in a substantially vertical column of earth overlying an area suspected of containing an underground petroliferous deposit. The magnet... | 03/08/1988 |
| 4723323 | Child's activity bib An activity bib worn by an adult and presented for interaction by a child facing the adult. The bib includes one or more activity means mounted for use by the child.... | 02/09/1988 |
| 4720127 | Door latch A door latch includes an elongated stationary case and a latch bolt mounted to reciprocate longitudinally in the case between outwardly extended and inwardly retracted positions. The latch bolt is driven between the two positions by a driver mechanically ... | 01/19/1988 |
| 4720227 | Methods of and apparatus for stacking battery plates and the like The battery plate stacker includes a plurality of heads having pickup members located on the ends thereof for temporarily attaching either separators or plates to the heads as is appropriate. The heads are pivotal between stacks of plates or separators an... | 01/19/1988 |
| 4718562 | Vertical package display rack Disclosed is a vertical display rack for packages. One or more mounting members are removably secured to a support structure. Each of the mounting members includes one or more arms extending from the support structure for supporting a plurality of the pac... | 01/12/1988 |
| 4714259 | Sealing ring structure with stressing ring In a sealing ring structure comprising a sealing ring (1) made of a tough-elastic plastic material and a stressing ring (11) made of a rubber-elastic material, the sealing ring (1) is provided with an annular recess (2) on its sealing surface which rests ... | 12/22/1987 |
