1
Donald W Finley, Robert B Lewis: Printed circuit board. Western Electric Company Incorporated, Joel F Spivak, September 9, 1980: US04221925 (56 worldwide citation)

A printed circuit board is disclosed which comprises a metal substrate having a first coating thereon and through holes through said coating and substrate with non-linear, undercut walls and a dielectric film coating over said first coating and said non-linear, undercut walls of said through hole. E ...


2
Richard A Levine: Double-blind labels. Joel F Spivak, January 20, 1987: US04637635 (48 worldwide citation)

A carrier sheet has affixed thereto a multiplicity of separable, double-blind, multisection labels comprising a blind section, an open section and a record keeping section, the carrier sheet may be adapted for use in a computer printer to print information on the labels. The sections are designed to ...


3
Brian Astle: Direct current power converters employing digital techniques used in electronic timekeeping apparatus. Optel Corporation, Joel F Spivak, May 11, 1976: US03955353 (46 worldwide citation)

A converter utilizes a low voltage battery to develop a higher potential by the use of capacitors which are charged sequentially according to digital waveforms provided by counting type circuits and gates. The charge transfer circuits afford a low impedance charging path and a high impedance dischar ...


4
Michael J Virgulti: Compact portable repair cart. Joel F Spivak, July 26, 1988: US04759560 (45 worldwide citation)

A stable, portable utility cart particularly suited for doing "on-site" minor auto repairs has a frame with a pair of wheels on an axle about 1/3 from the rear of the cart and mounted on a lower shelf are batteries and a generator. An upper shelf is adapted to contain at least one tool box. The cart ...


5
Nunzio A Luce: Electronic calculator watch structures. Optel Corporation, Joel F Spivak, May 11, 1976: US03955355 (45 worldwide citation)

There is disclosed an integral instrument providing timekeeping and display with calculator functions and display accomplished by means of a keyboard assembly mounted on the watch casing and adapted to be worn about a user's wrist. Included is time sharing circuitry to enable common display drivers ...


6
Carl W Dirk, Howard E Katz, Salvatore J Lalama, Kenneth D Singer, John E Sohn: Nonlinear optical materials and devices. AT&T Bell Laboratories American Telephone and Telegraph Company, AT&T Technologies, Bruce S Schneider, Joel F Spivak, August 22, 1989: US04859876 (38 worldwide citation)

An electrooptic or optical parametric device comprises a noncrystalline second order optically nonlinear element and means for providing an optical input to and an optical output from said element wherein said element comprises an organic molecule having second order optical susceptibility incorpora ...


7
Nathan Feldstein: Electroless plating process employing non-noble metal hydrous oxide catalyst. Surface Technology, Joel F Spivak, November 23, 1976: US03993799 (37 worldwide citation)

Metallic surfaces are imparted to non-conductive or dielectric substrates by an electroless coating process comprising coating the surface of the substrate with a hydrous oxide colloid of non-precious metal ions preferably selected from the group consisting of cobalt, nickel and copper ions, reducin ...


8
David Hamlin, Arthur C McKinley, William Habermann: Endoscopic device for intraoral use. British Technology Group USA, Joel F Spivak, April 25, 1995: US05408992 (36 worldwide citation)

An inta-oral device for viewing the oral cavity comprises a handle having a tube extending therefrom for insertion into the oral cavity to be viewed; an optical system within the tube; a video camera within the handle and illuminating means for illuminating the cavity; and a removable, rigid, steril ...


9
Jose A Ors, Richard D Small Jr: Circuit board fabrication leading to increased capacity. AT&T Technologies, Joel F Spivak, April 16, 1985: US04511757 (36 worldwide citation)

Printed circuit boards having a plurality of circuit layers are produced on a copper-clad substrate by first forming a pattern in a desired configuration to produce the first layer of the printed circuit board, then covering it with an energy-sensitive material comprising a rubber modified epoxy res ...


10
William A Gault: Method and apparatus for forming and growing a single crystal of a semiconductor compound. Western Electric Company, Joel F Spivak, September 13, 1983: US04404172 (27 worldwide citation)

An apparatus 10 for growing single crystal semiconductor compounds by the gradient freeze method includes means 40 for reducing radiant heat flow while enhancing axial heat flow in the region of a seed crystal 39 so as to give rise to an inverted solid-liquid interface shape 36 and a desired tempera ...