JB

John C. Butler

CO Coulter: 6 patents #4 of 56Top 8%
Overall (All Time): #670,922 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4947039 Flat stationary field light beam scanning device John A. Lawson, Richard Sutera, Lawrence C. Calhoun, Danny Potts, Larry E. Price +3 more 1990-08-07
4628367 Method and device for reading digital data in an optical mass memory system using electrophotography Manfred R. Kuehnle, Lysle D. Cahill, Lawrence J. Bassuk 1986-12-09
4533941 Method and apparatus for half-tone reproduction of a varying tone original image John F. Keane, Timothy H. V. Archer 1985-08-06
4515879 Optical mass memory system using electrophotography Manfred R. Kuehnle, Lysle D. Cahill, Lawrence J. Bassuk 1985-05-07
4504126 Digital plate maker system and method E. Raymond Thomas, Lysle D. Cahill, John L. Tibbits, Kenneth D. Fraser, John F. Keane +6 more 1985-03-12
4493549 Optical system for imaging an electrophotographic member E. Raymond Thomas, Lysle D. Cahill, John L. Tibbits, Kenneth D. Fraser, John F. Keane +6 more 1985-01-15
4408868 Digital plate maker system and method E. Raymond Thomas, Lysle D. Cahill, John L. Tibbits, Kenneth D. Fraser, John F. Keane +6 more 1983-10-11
4266674 Optoelectronic device for automatically inspecting a group of cigarettes or the like Richard P. Bell, Karl F. Rill 1981-05-12