1
Crosby Murray G: Communication including submerged identification signal. Audicom Corporation, Ryder McAulay Fields Fisher & Goldstein, October 29, 1974: US3845391 (322 worldwide citation)

A technique for identifying a program with an identification code in which the code is modulated onto an audio frequency subcarrier and transmitted with the program. A short time period, narrow band width window is cut out of the program material to accommodate the code carrying modulated audio subc ...


2
Banko Anton: Surgical instruments. Darby & Darby, October 29, 1974: US3844272 (314 worldwide citation)

Surgical instrument for taking tissue specimens in which a pair of coaxial tubular members are provided which are formed to have a tissue specimen receiving or flow compartment or provisions for holding the tissue. Each of the tubular members has a cutting or a holding edge and suction is provided t ...


3
Hemmer Valentine J: Snap-in contact assembly for plug and jack type connectors. The Bendix Corporation, Eifler Raymond J, October 29, 1974: US3845453 (174 worldwide citation)

A plug or jack type electrical connector that includes a snap-in contact and insulator assembly so that the insulator and/or contact may be removed from the plug or jack for maintenance and/or replacement. The insulator is a plastic sleeve that contains a separable electrical contact, the sleeve bei ...


4
Tronzo Raymond G: Prosthesis for femoral shaft. Jackson Jackson & Chovanes, October 29, 1974: US3843975 (142 worldwide citation)

A prosthesis for femoral shaft having a ball at one end, a medullary stem at the other end, a neck connecting the ball to the stem, a head at the connection between the stem and the neck and including means for fastening the prosthesis to the femur and outrigger knives on the head on either side of ...


5
French Robert L: Method and apparatus employing automatic route control system. Avon, Wofford Felsman Fails & Zobal, October 29, 1974: US3845289 (142 worldwide citation)

Method and apparatus facilitating effecting actions along a predetermined route segment, as in commercial and residential neighborhoods, characterized by a self-contained on-board system which directs the operation of a conventional motor vehicle over the predetermined route segments, and gives inst ...


6
Barlow Harold Everard Monteagle: Dipole mode electromagnetic waveguides. National Research Development, Cushman Darby & Cushman, October 29, 1974: US3845426 (139 worldwide citation)

A new form of waveguide is described which can support propagation of electromagnetic waves in the dipole mode. The waveguide is coaxial with inner and outer members having cylindrical surfaces separated by a dielectric. The longitudinal and transverse impedances of these surfaces and the dielectric ...


7
Portyrata Raymond E: Water powered swimming pool light. Titan Tool and Die Company, October 29, 1974: US3845291 (117 worldwide citation)

A water powered light is provided which is particularly suited for use in association with a swimming pool to provide illumination thereto. The light includes a lamp assembly which is powered from a generator that is driven by a water powered turbine element. The lamp assembly includes a lens housin ...


8
Aronstein Jesse, Harding William E, Zeiss Philip M: Manufacturing control system for processing workpieces. International Business Machines Incorporated, Powers Henry, October 29, 1974: US3845286 (114 worldwide citation)

A control system for a manufacturing line configured by a plurality of satellite functional processing stations, each capable of stand-alone operation. The stations are interconnected by a handler or conveyor which transports individual ones of the work-piece from one process sector to the next in r ...


9
Noiles Douglas G: Hemostat and attachment for suturing organic tubular structures. United States Surgical Corporation, Fleit Gipple & Jacobson, October 29, 1974: US3844289 (112 worldwide citation)

A hemostat provided with a disposable staple-carrying cartridge movably attached thereto. The jaws of the hemostat are parted, through an opening at the forward end of the cartridge, and, for example, a bleeding organic tubular structure is positioned between the hemostat jaws. The jaws of the hemos ...


10
Petkewicz Frank J, Mueller Von W, Jameel Khaja M, Emkalns Arvids: Pulse latched matrix switches. GTE Automatic Electric Laboratories Incorporated, Heid David W, October 29, 1974: US3845430 (93 worldwide citation)

A pulse-actuated reed switching matrix of the magnetically latching type in which the reed capsules are mounted flat on a printed circuit board providing the appropriate speech path connections, has row and column windings which are respectively printed on two substrates disposed in planes parallel ...