Charles R Brummett, J A Crumley, Ray N Shaak, Dewey R Whitaker: Printed circuits. AMP Incorporated, Frederick W Raring, January 11, 1983: US04368281 (47 worldwide citation)

Ink compositions especially suitable for printing electronic circuit patterns on a substrate such as a flexible polyester substrate; methods for developing electrolessly and electrolytically the circuit configurations as articles of manufacture; flexographic printing with the ink composition has bee ...

J A Crumley, John P Weaver: Means for decoding a switch array. AMP Incorporated, F Brice Faller, January 31, 1984: US04429301 (12 worldwide citation)

Crossbar switch array employs two linear conductors having resistors thereon, with horizontal and vertical crossbar conductors connected to linear conductors between the resistors. All resistors have identical value, so that when a switch is closed, voltage readings taken at one end of each of the l ...

Robert Charles Swengel Sr, J A Crumley: Welding method and means using foil electrode. AMP Incorporated, Gerald K Kita, October 26, 1976: US03988563 (6 worldwide citation)

A welding method and means is disclosed utilizing a conductive foil disposed between or adjacent members to be welded together with the foil serving as one electrode and one or both of the members serving as another electrode of the welding circuit and with the members being forced together or with ...