Patents/Inventors

John Peter Duffield

Stratham, NHUS2 patents

3 Patents

US123206812025
Linear Rotary Encoder
ELECTRONICS FOR IMAGING, Inc.
0 cites
US120007172024
Linear Rotary Encoder
ELECTRONICS FOR IMAGING, Inc.
0 cites
US116671332023
Woodgrain Suppression in Inkjet Printing
ELECTRONICS FOR IMAGING, Inc.
0 cites