Robert J Mader: Golf driver club. Edward A Sokolski, May 3, 1977: US04021047 (221 worldwide citation)

The head of a golf driver club is formed from a one-piece casting having a face plate portion, a sole plate portion and toe and heel wall portions with a concavity being formed between these portions. A cap which is preferably of wood or plastic encloses this concavity to form an air chamber within ...

James K V Willson, Marshall Eskridge: Spring guide wire with torque control for catheterization of blood vessels and method of using same. George H Mitchell Jr, May 3, 1977: US04020829 (195 worldwide citation)

An instrument for use in catheterization of small distal branch arteries includes a guide wire having a short flexible distal section connected with a relatively long, multi-wire, axial and rotary torque transmitting section to guide a soft, thin-walled, flexible catheter through the compound curves ...

Curtis C Johnson, Stanley D Moss, Jiri A Janata: Selective chemical sensitive FET transducers. The University of Utah, Criddle Thorpe & Western, May 3, 1977: US04020830 (188 worldwide citation)

A chemical sensitive field-effect transistor transducer capable of selectively detecting and measuring chemical properties of substances to which the transducer is exposed. The transducer includes a semiconductor substrate material having a certain doping polarity, a pair of spaced apart diffusion r ...

Cai Gustav Rabbe Nordstrom, Peter Veerhoff: Catheter placement assembly. Boehringer Ingelheim, Hammond & Littell, May 3, 1977: US04020835 (137 worldwide citation)

A vein catheter placement assembly consisting essentially of a catheter unit and a puncture needle unit longitudinally slidably positioned in the catheter. The puncture needle unit comprises a hollow longitudinally grooved puncture needle, and a finger-grip attached to the end of the needle remote f ...

Jun Etoh, Toshiaki Masuhara: Semiconductor device and a method for fabricating the same. Hitachi, Craig & Antonelli, May 3, 1977: US04021835 (129 worldwide citation)

A MOS-FET (Metal-Oxide-Semiconductor Field Effect Transistor) comprises a semiconductor body, source and drain regions disposed in the body at portions separated from each other, a second semiconductor region having a higher impurity concentration than that of the body, formed by ion implantation in ...

William T Clark III: Rotating cutter catheter. May 3, 1977: US04020847 (124 worldwide citation)

An elongate blunt-ended hollow tube is affixed on the distal end of a flexible catheter. A cutting edge along one side of a lengthwise slot in the tube wall cuts off irregularities from the inside of a vessel and feeds them into the hollow interior of the tube as the catheter is rotated.

John S Hoerning: Data compaction system and apparatus. Wicks & Nemer, May 3, 1977: US04021782 (109 worldwide citation)

A data compaction system and apparatus is disclosed which, in the preferred embodiment, includes a high speed compaction controller utilizing both read only storage and read-write storage. A compaction device according to the present invention could then be placed upon both ends of a transmission li ...

William Arthur Warwick: Semiconductor integrated circuit devices. International Business Machines Corporation, Robert J Haase, May 3, 1977: US04021838 (108 worldwide citation)

A power bus element for use in large scale integrated circuits is described. Each bus element consists, for example, of a chip of silicon having two levels of metallization thereon, one acting as an earth (or ground) return plane and the other providing power voltages. Dependent contacts on the chip ...

Roy F DeVries, William H Snyder II: Sublimation transfer and method. Roy F DeVries, Lerner David Littenberg & Samuel, May 3, 1977: US04021591 (101 worldwide citation)

A dry release sublimation transfer is provided which includes a temporary backing sheet having disposed thereon a sublimation transfer design layer formed of one or more sublimation transfer inks, and a polymeric coating disposed in contact with such design layer. In one embodiment, the design layer ...

Eugene J Van Scott, Ruey J Yu: Prophylactic and therapeutic treatment of acne vulgaris utilizing lactamides and quaternary ammonium lactates. LeBlanc & Shur, May 3, 1977: US04021572 (100 worldwide citation)

Preventive as well as therapeutic treatment of acne vulgaris (hereafter referred to as acne) consisting of the topical application of a solution, lotion or cream containing one or more than one of the lactamides and/or quaternary ammonium lactates is disclosed. Topical application to uninvolved or i ...