Saleh Bahaa Botros Seedhom: Knee joint prosthesis. National Research Development Corporation, Cushman Darby & Cushman, June 18, 1974: US3816855 (171 worldwide citation)

A prosthetic knee joint device comprises a femoral component in the form of a shell member having two condylar portions with major convex bearing surfaces areas, which portions are bridged at one end by a portion defining a trough between the convex areas. An associated tibial component has similar ...

Larraburu Philippe M: Manually operated lamphouse. Pastoriza & Kelly, June 18, 1974: US3818216 (135 worldwide citation)

A manually operated lamphouse for providing light color control and intensity for improving, the quality of negative films in printing, for example, includes a broad spectrum tungsten lamp the intensity of which is manually controllable. Dichroic mirrors are utilized to separate the broad spectrum o ...

Coopersmith Myron, Kochenderfer Wayne N, Felty Lanny G: Composition and process for lubricating the skin. Esso Research and Engineering Company, June 18, 1974: US3818105 (118 worldwide citation)

C.sub.12- C.sub.14 isoparaffinic hydrocarbon fractions are effective skin lubricants and cosmetic formulation constituents. The paraffinic oils possess a unique combination of properties, namely, low viscosity, moderate volatility, plus the ability to disperse dyes and/or pigments. Typically, the is ...

Maurer Donald D: Transcutaneous stimulator and stimulation method. Medtronic, Schwartz Lew, Sivertson Wayne A, June 18, 1974: US3817254 (109 worldwide citation)

A transcutaneous stimulator for stimulating portions of the body. The output of the stimulator is a stimulating pulse having frequency components falling within predetermined frequency band limits so as to optimally excite touch nerve fibres relative to nociceptor or pain receptor nerve fibres.

Deese Donald R: Method and apparatus for monitoring a general purpose digital computer. Comress, Stepno Schwaab & Linn, June 18, 1974: US3818458 (105 worldwide citation)

A method and apparatus for monitoring the utilization and performance of a general purpose digital computer without affecting operation of the computer itself, in which the monitor responds to a change in the operative state of the computer to capture the contents of certain status registers and loc ...

Hasson Harrith M: Laparoscope cannula. Gerstman George H, June 18, 1974: US3817251 (102 worldwide citation)

A cannula is provided for laparoscopy, which cannula includes an adjustable cone-shaped sleeve for blocking the incisional gap and maintaining the pneumoperitoneum. The cannula also includes a pair of hooks for receiving a suture to maintain the cannula in place with respect to the patient's abdomen ...

Yamamoto Manabu: Laser imaging device. Hitachi, Beall Jr Thomas E, June 18, 1974: US3818129 (99 worldwide citation)

This invention relates to the imaging device in which a spatial picture corresponding to an original picture is reproduced from a time-sequence video-signal corresponding to said original picture. Said device comprises means with which an acoustic wave propagated through an acousto-optic medium such ...

VON Cube Hans Ludwig, Wagner Edmund: Cooling apparatus semiconductor elements, comprising partitioned bubble pump, separator and condenser means. Robert Bosch, Striker Michael S, June 18, 1974: US3817321 (79 worldwide citation)

Apparatus for the cooling of high power type semiconductor elements, especially thyristors in electrically powered vehicles, has one or more bubble pumps which are placed into direct heat-exchanging contact with a semiconductor element and are connected with the vessel of a liquid-collecting vapor s ...

Verheyden Julian P H, Moffatt John G: 2,3-unsaturated nucleosides and method of making. Syntex, Squires Lawrence S, Blaufarb Gerard A, Walker William B, June 18, 1974: US3817982 (79 worldwide citation)

Novel 2',3'-unsaturated nucleosides and 2',3'-dideoxy nucleosides and generic methods of preparing such compounds. The methods are characterized by the step of treating a 2'- or 3'-halonucleoside with chromous ion under reactive conditions. The novel 2',3'-unsaturated nucleosides are useful as inter ...

Knappenberger Thomas A: Shielding techniques for r.f. circuitry. Motorola, Mueller Foorman L, Myer Victor, Clark Ronald J, June 18, 1974: US3816911 (77 worldwide citation)

A technique for shielding R.F. circuitry is disclosed wherein thin metal strips are formed by chemical etching, and include bend or fold grooves similarly etched, the strips being bent into the desired configuration at the time of assembly. Printed circuit boards with the components all on one side ...