1
Schmitt Edard Emil, Polistina Rocco Albert: Polyglycolic acid prosthetic devices. American Cyanamid Company, June 19, 1973: US3739773 (162 worldwide citation)

Polyhydroxyacetic ester, also called polyglycolic acid (PGA), has surgically useful mechanical properties as a solid prosthesis, such as reinforcing pins, screws, plates, or thin sheets. On implantation, in living mammalian tissue, the polyglycolic acid is absorbed, and replaced by living tissue. Th ...


2
Cooley Denton A, Liotta Domingo S, Kahn Paul: Bicuspid fascia lata valve. Cutter Laboratories, June 19, 1973: US3739402 (106 worldwide citation)

A graft-support for homograft and heterograft tissue valve implantation comprising a ring base, two struts extending from one side of the ring base and generally parallel to its axis, and a fabric layer covering the entire surface of the ring and struts. The fabric layer has a thickened portion at t ...


3
Kaelin George R, Pellegrino James A: Driving circuits for light emitting diodes. June 19, 1973: US3740570 (96 worldwide citation)

LEDs are arranged in a matrix and driven by a pair of registers. A column register sequentially enables the columns of LEDs and a row register selectively operates the LEDs of each column in accordance with a predetermined binary code. A color control and a brightness control circuit may be included ...


4
Gregory John: Respirators. ML Aviation Company, June 19, 1973: US3739774 (96 worldwide citation)

A respirator for use in noxious atmospheres comprises a hood which completely covers the head of the wearer and the edge of which extends around his neck or shoulders and a mechanical blower is fitted to the inlet connection so as to provide more air than required for respiration to provide a positi ...


5
Bogosian Theodore Oscar: Device for fencing and absorbing contaminating oil spills on water. Johns Manville Corporation, June 19, 1973: US3739913 (93 worldwide citation)

An elongate body of oil absorbing material and flotation material including longitudinal reinforcing or strengthening means whereby a plurality of bodies can be linearly disposed in end-to-end relationship for temporarily fencing oil spills on water for retention and absorption of the oil.The body c ...


6
Baumann Erwin, Beham Gerhard: Storing and mixing receptacle. June 19, 1973: US3739947 (91 worldwide citation)

A storing and mixing receptacle including a container forming a first chamber at its lower end for initially storing a first ingredient, a first piston for separating the first chamber from a second chamber, a second piston movable in the second chamber and adapted to transfer a second ingredient fr ...


7
Mori Toshiyuki: Bendable tube of an endoscope. Olympus Optical, June 19, 1973: US3739770 (89 worldwide citation)

A bendable tube portion in an endoscope comprises two helically wound metal strips, one of which closely surrounds the other. The strips are wound in opposite directions and the turns of one strip are secured to corresponding turns of the other strip in the plane of bending motion of the tube portio ...


8
Hogrefe Arthur F, Sullivan Ralph M: Charge regulator and monitor for spacecraft solar cell/battery system control. The United States of America represented by the Secretary of the Navy, June 19, 1973: US3740636 (87 worldwide citation)

An electronic system for providing fully automatic control of a spacecraft olar cell/battery electrical power system, including the provision of continuous telemetry monitoring of the battery charge state. Circuitry accurately measures, on an ampere-minute basis, the charging and discharging of the ...


9
Paz Nicolas S: Non-spill cup. June 19, 1973: US3739938 (85 worldwide citation)

A drinking vessel from which the contents will not spill out when the vessel is dropped and yet which permits a person to drink therefrom, the device comprising a cup with a removable cap placed thereupon, the cap including a pouring spout and an air vent for intake of air, and a manually depressabl ...


10
Kessell Archie, Phelan Charles Stephens: Zero displacement diaphragm valve. Rohe Scientific Corporation, June 19, 1973: US3740019 (71 worldwide citation)

A fluid valve which upon opening or closing does not displace any fluid in the system because the volume in the fluid line is maintained constant. This is accomplished by means of an actuator operated flexible diaphragm which faces the fluid line and which, on its opposite side, faces a sealed chamb ...



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