JB

John C. Barker

CC Compaq Computer: 7 patents #150 of 1,604Top 10%
HP HP: 6 patents #2,518 of 16,619Top 20%
JL J. J. Barker Company Limited: 5 patents #1 of 4Top 25%
TT Trek Technologies: 5 patents #1 of 2Top 50%
CG Cambridge Instruments Gmbh: 2 patents #4 of 29Top 15%
CG Compaq Information Technologies Group: 1 patents #84 of 407Top 25%
LS Logitech Europe S.A.: 1 patents #644 of 1,028Top 65%
Overall (All Time): #112,825 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
4587617 Image inspection system for defect detection Ian A. Cruttwell 1986-05-06
4578765 Image comparison systems 1986-03-25
4393108 Simulated ceramic tile Ivan P. McLaughlin 1983-07-12
4339489 Simulated ceramic tile Ivan P. McLaughlin 1982-07-13
4318952 Three-dimensional decorative surface Ivan P. McLaughlin 1982-03-09
4294021 Method and apparatus for curing of articles James O. Turnbull, Arthur Knight 1981-10-13
4233343 Three-dimensional decorative surface Ivan P. McLaughlin 1980-11-11