1
Peyman Gholam A, Dodich Nicholas A: Ophthalmic instrument. The Regents of the University of California, December 4, 1973: US3776238 (180 worldwide citation)

An ophthalmic instrument is provided for removing vitreous and fibrous bands from the retina of an eye. The instrument consists of two tubes mounted coaxially within one another, and with an opening adjacent the end of the outer tube. Cutting of the vitreous and fibrous bands is performed by a chopp ...


2
Young James Douglas: Apparatus for setting a large bore packer in a well. Gearhart Owen, December 4, 1973: US3776307 (175 worldwide citation)

Apparatus for setting a large bore packer in a well penetrating subterranean formations characterized by a packer assembly including an expansible liner that can be expanded into contact with the conduit, such as casing, of the well for tight sealing engagement without requiring setting anchors or t ...


3
Wittig Karl, Wimmer Guenther, Court Patrick R J, Akrell Carl: Converter for catv. Optical Systems Corporation, December 4, 1973: US3777053 (115 worldwide citation)

A converter for a CATV system is described. The converter includes, amongst other circuits, a reader for reading the binary bits on an encoded document and comparing them with a binary bit code which is transmitted from the transmitter on the CATV cable to a subscriber's receiver. If the code on the ...


4
Schaar Charles H: Edge contourable diaper. Colgate Palmolive Company, December 4, 1973: US3776233 (114 worldwide citation)

A contourable diaper including, a pleated fluid pervious cover sheet and a pleated fluid impervious back sheet secured to each other adjacent the lateral and longitudinal edges of the diaper. An absorbent pad is positioned intermediate the cover and back sheets and extends at least throughout the cr ...


5
Hill J Donald, Robinson Thomas C: Surgical tool and method of providing a surgical opening. Tecna Corporation, December 4, 1973: US3776237 (107 worldwide citation)

A surgical tool especially for providing a circular opening in a wall such as that of a blood vessel has an outer, circular-cylindrical casing having a longitudinal axis and having a circular knife edge at one end. A plunger is axially movable within the casing by a rod extending transversely throug ...


6
Brown Cicero C: Rotating drive assembly. December 4, 1973: US3776320 (107 worldwide citation)

A rotating drive assembly which may be supported on a vertically movable traveling block suspended in a well derrick. The drive assembly may comprise an elevator assembly adapted for non-threaded engagement with a tubular member, for handling and transmitting torque thereto, and a power source conne ...


7
Cox Donald Clyde: Linear amplification with nonlinear devices. Bell Telephone Laboratories Incorporated, December 4, 1973: US3777275 (100 worldwide citation)

Available nonlinear amplifying devices are used to produce bandpass linear amplification of a signal having amplitude variations. The input signal is transformed into two constant amplitude phase modulated components which together contain in their phase fluctuations the total information content of ...


8
Tatusko Philip A, Williams Richard A: Multi-layer circuit package. International Business Machines Corporation, December 4, 1973: US3777221 (96 worldwide citation)

A pair of planar, inorganic substrates, each having generally parallel signal lines formed on a major surface, are oriented so that the circuit bearing surfaces face each other in spaced parallel relationship with the circuit lines of the two signal planes being orthogonally arranged with respect to ...


9
Atchisson Maxwell G: Weapon conversion bolt assembly device. December 4, 1973: US3776095 (92 worldwide citation)

A conversion bolt assembly for a hand carried weapon having automatic and semi-automatic or semi-automatic only modes of operation. The bolt assembly includes a tube having a fixed back plate on one end and longitudinally extending slots to permit spreading of the other end of the tube for assembly ...


10
Anderson Loren E, Adams Roy E, Weese Gordon D: Pump for molten salts and metals. NL, December 4, 1973: US3776660 (89 worldwide citation)

A pump comprising a refractory body portion of oblate spheroidal configuration having apertures in the top and bottom thereof is provided with refractory covers for said apertures which covers are held securely in said apertures by upper and lower metal plates, respectively, the upper plate forming ...