Inventor
SPENCER PAUL R
US9 patents
⚠️ This page may combine multiple inventors who share the name “SPENCER PAUL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
5 patentsUS4970528ANov 13, 1990
Method for uniformly drying ink on paper from an ink jet printer
HEWLETT PACKARD CO98 citations95
US4590482AMay 20, 1986
Nozzle test apparatus and method for thermal ink jet systems
HEWLETT PACKARD CO66 citations95
US4774523ASep 27, 1988
Method and apparatus for uniformly drying ink on paper from an ink jet printer
HEWLETT PACKARD CO34 citations92
US6267522B1Jul 31, 2001
Media holding apparatus, media size detector and method for detecting size of media for a document-generating device
HEWLETT PACKARD CO48 citations91
US4408865AOct 11, 1983
Corona discharge device for electrophotographic charging and potential leveling
HEWLETT PACKARD CO21 citations78
XEROX CORP
3 patentsUS4255754AMar 10, 1981
Differential fiber optic sensing method and apparatus for ink jet recorders
XEROX CORP80 citations95
US4222059ASep 9, 1980
Ink jet multiple field electrostatic lens
XEROX CORP32 citations92
US4772008ASep 20, 1988
Apparatus and method for double sheet separation by vacuum ports
XEROX CORP6 citations57