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...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 5784552 | Debugging a computer program by simulating execution forwards and backwards in a main history log and alternative history logs A computer program is executed in a forward direction to create a current state of registers and memory for the program. During the forward execution of the program, the pre-existing values of registers and memory changed by each instruction are recorded ... | 07/21/1998 |
| 5781201 | Method for providing improved graphics performance through atypical pixel storage in video memory A method for improving the performance of a graphics system includes the steps of allocating appropriate pixels to slices of memory such that corresponding subsets of bits of neighboring pixels are allocated to different slices of memory, where `neighbori... | 07/14/1998 |
| 5778175 | Method implemented by a computer network adapter for autonomously adjusting a transmit commencement threshold valve upon concurrence of an underflow condition A method implemented by a computer network adapter for automatic retransmission of any packet involved in an unsuccessful transmission attempt due to transmit buffer underflow conditions entails the steps of (a) stopping the transmission; and (b) retrying... | 07/07/1998 |
| 4618118 | Releasably locking A latch housing of molded plastic has a flanged surface that makes surface contact around a rectangular cutout in a dimpled or recessed area of a metal panel flush with the panel surface. Four extended retainers having a lightly tapered bottom edge retain... | 10/21/1986 |
| 4597567 | Adjustable torsion spring A spring for creating adjustable torsional resistance between two members which are pivotal relative to each other. The spring comprises a stack of axially aligned elastomer torsion rings (30). A locking ring (34) is secured to and separates adjacent tors... | 07/01/1986 |
| 4569498 | Copy holder Copy holder includes a flexible rise connecting a document support assembly to a clamp assembly. The invention provides facilitated vertical line of sight operation of a computer entry terminal.... | 02/11/1986 |
| 4568243 | Vibration isolating seal for mounting fans and blowers A vibration isolating and sealing device for mounting a fan having a propeller rotatably secured within a housing, said device comprising an outer, substantially square frame; an inner substantially square frame; a generally "S" shaped flexural membrane d... | 02/04/1986 |
| 4555081 | Tiltable and swivable mounting assembly for a video display terminal A mounting assembly for use in mounting a video display terminal on the top surface of a workstation stand which can be tilted back and forth to allow the video display terminal to be positioned for the most comfortable, glare-free viewing and which can b... | 11/26/1985 |
| 4548305 | Torque overload release coupling A torque overload release clutch comprises an input, intermediate and output assemblies drivingly interconnected for rotation. A plurality of spline balls interconnects the input assembly with the intermediate assembly. A plurality of main balls disengaga... | 10/22/1985 |
| 4520976 | Cable bushing A new and improved cable bushing including a frame portion, and a detachable filler portion connected to the frame portion, is herein disclosed and claimed. The filler portion includes at least one hinged flap movable between a first position in which the... | 06/04/1985 |
| 4506439 | Apparatus for securing an electronic unit to an avionics tray Apparatus for removing and securing a plug-in electronic unit or the like to or from an avionics tray comprises a threaded spindle carrying a transverse pin at one end thereof and having an arrangement of three concentric sleeves located about the spindle... | 03/26/1985 |
| 4505688 | Constant velocity coupling having laminated elastomeric bearings A constant velocity, "Tri-Pot" type joint comprises first and second members respectively rotatable about first and second axes and a coupling for connecting the first and second members. The coupling comprises three trunnions rotatable with the first mem... | 03/19/1985 |
| 4492949 | Tactile sensors for robotic gripper and the like A tactile sensor for sensing an object in contact therewith. In its preferred form, the sensor comprises a plurality of layers disposed in a sandwich arrangement. A top layer is comprised of a flexible, electrically-insulating material and a plurality of ... | 01/08/1985 |
| 4484899 | Coupling for accommodating misalignment between shafts In a coupling operating on the principle of the Oldham coupling, parallel drives are disposed orthogonally relative to one another and include pairs of guide rods. In order to reduce the axial measurements of such a coupling, the guide rods are disposed i... | 11/27/1984 |
| 4445799 | Document holders A document holder for releasably binding together loose-leaf stationery items and securing them to either single- or double-rail suspension filing systems is provided by a loose-leaf binder which incorporates a thin external spine structure incorporating ... | 05/01/1984 |
| 4443750 | Energy saving motor speed controller A variable speed motor controller for an AC motor, said controller including a DC to AC converter for providing adjustable frequency AC signals to vary the speed of said motor, and a sensing device and energy saving control for detecting the magnitude of ... | 04/17/1984 |
| 4435097 | Laminated bearing structures Laminated elastomer bearings of the type comprising alternating bonded layers of resilient material and non-extensible material are improved by forming at least some of the resilient layers of at least two different stocks having different elasticity char... | 03/06/1984 |
| 4430065 | Bartlett coupling An improved Bartlett type flexible coupling includes cylindrical laminated elastomeric bearing means between opposing cylindrical bearing surfaces and substantially flat laminated elastomeric bearing means between opposing flat bearing surfaces. One discl... | 02/07/1984 |
| 4426273 | Workholder and carrier for electrodeposition system A workholder for an elecrodeposition system for carrying, with improved electrical communication therewith, items to be painted or otherwise coated, comprising: a carrier; a cane-like structure having a hook, a shank connected to said hook, and a pluralit... | 01/17/1984 |
| 4398755 | Flexible fluid conductive coupling for fluid transfer systems A flexible fluid conductive coupling for use with fluid flow systems has short fluid conductive cylindrical sections having different diameters so chosen that the smaller diameter section may fit within, and well clear of, the larger. A pair of external m... | 08/16/1983 |
| 4385025 | Method of coinjection molding of thermoplastic and thermoplastic elastomer Vibration isolators are manufactured by a co-injection molding process. Outer and inner parts of the isolators are molded first from a rigid or stiff thermoplastic material such as polystyrene and intermediate spring-like parts of the isolators are made o... | 05/24/1983 |
| 4368050 | Coupling An improved coupling device for joining two rotatable members which may undergo misalignment is disclosed. The device includes a plurality of balls for operatively coupling the two rotatable members. One disclosed embodiment of the coupling device is a pl... | 01/11/1983 |
| 4357057 | Laminated bearing with improved low temperature operating characteristics A laminated device such as a bearing or coupling comprising an inner and an outer housing with a laminate therebetween of alternating resilient and non-extensible layers wherein at least one of its resilient layers is made of a material characterized by h... | 11/02/1982 |
| 4349184 | Laminated bearings having elastomer layers of varying dimensions A bearing for carrying compressive radial loads comprising alternating bonded layers of a resilient material of a uniform modulus of elasticity and layers of a non-extensible material, all generally concentrically formed about a common center axis. The fa... | 09/14/1982 |
| 4344205 | Cable bushing A cable bushing including a frame portion, and a filler portion connected to the frame portion, the filler portion being movable between a first position in which the filler portion is remote from the interior of the frame portion and a second position in... | 08/17/1982 |
| 4343244 | Periodical shelf A component adapted for attachment to a library unit stand for use in storing magazines, pamphlets and other information-bearing media, said component comprising a frame assembly having means for attaching it to a library unit stand, and a shelf assembly ... | 08/10/1982 |
| 4341499 | Blade retention system A blade retention system for use in a fully articulated rotor head of a rotary wing aircraft is described. The retention system comprises a separate elastomeric bearing means for carrying loads in compression and accommodating motions about the respective... | 07/27/1982 |
| 4334182 | Motor control system A motor speed control system (controller) for controlling the speed of an AC motor. The invention provides sufficient voltage at low motor speeds to overcome the high resistance of fractional H.P. motors, which effects low speed operation, i.e., the abili... | 06/08/1982 |
| 4331003 | Flexible coupling A coupling of the "Tracta" joint type comprises a driving member rotatable about a first axis, a driven member rotatable about a second axis, and two intermediate members for operatively coupling the driving member to the driven member. The improvement co... | 05/25/1982 |
| 4327952 | Document storage file A storage file of open box-like form for storing books, documents, cassettes, discs and the like in a suspension filing system is disclosed herein. In one embodiment the storage file includes on its top a hook and a lock means, designed to prevent inadver... | 05/04/1982 |
| 4315696 | Easel-style suspension binder A multi-ring loose-leaf binder which incorporates hooks adopted to detachably secure the binder to a horizontal bar of a suspension filing system, recessed into the top edges of its front and back covers. The binder is further provided with a hinged jack ... | 02/16/1982 |
| 4312096 | Caster assembly A caster assembly comprising an outer part for attachment of the assembly to a structure to be mobilized, said outer part having spaced parallel side walls, an inner part having spaced parallel side walls nested within the outer part with its side walls s... | 01/26/1982 |
| 4306736 | Document holder A document holder or filing device comprising a rigid spine piece dimensioned to accommodate the spine of the binding of a book-like item to be filed, said spine piece having head and tail ends, and at least one finger at both head and tail ends dimension... | 12/22/1981 |
| 4291925 | Laminated bearings with dual stock layers A frusto-conical laminated elastomeric bearing is provided wherein at least some of the layers are graded in composition so that they have a first relatively high modulus of elasticity at the inner circumference, and a second relatively low modulus of ela... | 09/29/1981 |
| 4286827 | Cylindrical elastomeric bearing A cylindrical elastomeric bearing for carrying relatively large compressive radial loads while accommodating thrust and torsional loads acting along the bearing's longitudinal axis. The bearing generally comprises a rigid interior member and a rigid exter... | 09/01/1981 |
| 4286642 | Isolation connection Isolation fasteners for securing one structural part to another in such a way as to minimize transmission of vibration and sound from one part to the other comprising, in combination, fastening means for securing the parts to each other and interposable e... | 09/01/1981 |
| 4286442 | Flexible coupling An improved Oldham type coupling comprising elastomeric laminated bearings between the conventional bearing surfaces to improve the compression load capacity of the bearing surfaces of the coupling as well as provide other advantages. In one embodiment th... | 09/01/1981 |
| 4269400 | Stacked, resilient isolator components An isolator designed to prevent transmission of shock and vibration from one structure to another, comprising a device structured to provide orthogonal excursion in three directions and comprising a plurality of nested, concentrically-arranged component s... | 05/26/1981 |
| 4265434 | Hydraulic clamp A hydraulic clamp comprising an assembly of concentrically-arranged parts wherein axial movement of a first part effects rotation of a second part and axial movement of a third part effects a corresponding axial movement of the second part and wherein the... | 05/05/1981 |
| 4218614 | Device for measuring vibration amplitude A device is provided for measuring the amplitude of vibration of a vibratory element. The vibratory element or reed has a vane attached to it extending between opposed fiber optics light guides. The vane has a mask portion which has slits forming alternat... | 08/19/1980 |
