1
Michael N Ernstoff, William C Hoffman, Richard N Winner: Liquid crystal sequential color display. Hughes Aircraft Company, Walter J Adam, W H MacAllister, May 16, 1978: US04090219 (131 worldwide citation)

A liquid crystal field sequential color display is formed by presenting three monochromatic images corresponding to the three primary colors, that is, red, green and blue, consecutively in a repetitive sequence and at a rate greater than the flicker fusion frequency for human vision. Each field cont ...


2
Michael N Ernstoff, William C Hoffman, Richard N Winner: Liquid crystal dot color display. Hughes Aircraft Company, Paul H Ware, W H MacAllister, February 8, 1977: US04006968 (68 worldwide citation)

A solid state dot sequential color display device is disclosed. A color image is formed in a liquid crystal display panel by breaking each picture element up into its three primary color components and presenting them in an adjacent manner. The space occupied by a trio of primary color elements is s ...


3
William C Hoffman: Light filtering contact lens. Flexlens, Oldham & Oldham Co LPA, April 1, 1997: US05617154 (65 worldwide citation)

The invention relates to a light-absorbing contact lens and process for preparing same. A contact lens is tinted with colorants which provide desired spectral transmittance characteristics over the tinted portion of the lens. The contact lens provides transmittance of incident radiation having a wav ...


4
William C Hoffman, John E Gunther, William R Lichty: Liquid crystal display system using fiber optic faceplates. Joseph E Szabo, W H MacAllister, September 14, 1982: US04349817 (42 worldwide citation)

In a liquid crystal image display system, a fiber optic faceplate which transmits light only through a well defined acceptance cone is optically coupled to the liquid crystal display surface of a reflective dynamic scattering mode liquid crystal display device.


5
George T Eigenbrode, William C Hoffman Jr: Insulation piercing electric connector bonded to electric conductor. E I Du Pont de Nemours and Company, February 24, 1981: US04252397 (34 worldwide citation)

An electrical wiring device comprising an insulated flat cable having a plurality of parallel electrical conductors disposed in a plane and encased in a flexible insulation with at least one connector assembly permanently attached for plug-in service is provided. Also provided is a method of making ...


6
William C Hoffman: Light filtering contact lens method. Oldham & Oldham Co A, December 8, 1998: US05846457 (28 worldwide citation)

The invention relates to a light-absorbing contact lens and process for preparing same. A contact lens is tinted with colorants which provide desired spectral transmittance characteristics over the tinted portion of the lens. The contact lens provides transmittance of incident radiation having a wav ...


7
John E Gunther, William R Lichty, William C Hoffman: Fiber optic light traps for electro-optical display devices. Hughes Aircraft Company, Gerald B Rosenberg, Joseph E Szabo, William H MacAllister, August 17, 1982: US04344668 (26 worldwide citation)

In an electro-optical display device, a fiber optic faceplate which transmits light only through a well-defined solid angle, is optically coupled to an electro-optical display panel having a specularly reflecting surface. The display panel can be either an active device, such as laser diodes, or pas ...


8
Keith A Ely, Peter L Gebrian, William C Hoffman: Liquid extraction apparatus. E I Du Pont de Nemours and Company, May 21, 1996: US05517867 (16 worldwide citation)

An apparatus is provided for identifying each of a predetermined plurality of liquid containers, some of which are stoppered and others of which are open-mouthed and for extracting liquid therefrom. The apparatus comprises an upper arm and a lower arm and a sensor responsive to relative motion there ...


9
Eric R Claussen, William C Hoffman, Lawrence A Smith: Apparatus and method for tinting hydrophilic contact lenses. Optatint, Pennie & Edmonds, March 29, 1988: US04733959 (16 worldwide citation)

An apparatus and method for tinting hydrophilic contact lenses wherein a base having at least one post whose remote end is shaped for receiving and positioning a hydrophilic contact lens, and at least one cap which when placed in communication with the post and the lens masks one or more predetermin ...


10
Francis M Bastow, William C Hoffman: Automatic document feeder and registration system therefor. Savin Corporation, Kenyon & Kenyon, April 17, 1990: US04917371 (14 worldwide citation)

Documents are advanced to a registered position along the trailing edge of the exposure platen of an electro-photographic copier by a flat belt supported adjacent to the registration edge by a pulley formed with axially spaced indentations to produce corresponding corrugations in the belt. A registr ...