Inventor

WATKISS PHILIP J

GB4 patents

⚠️ This page may combine multiple inventors who share the name “WATKISS PHILIP J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

VICKERS PLC

2 patents

US4567131AJan 28, 1986

Lithographic printing plates

VICKERS PLC31 citations87

US4859290AAug 22, 1989

Printing plate precursors

VICKERS PLC3 citations57

DU PONT UK

1 patent

US5609987AMar 11, 1997

Improvements in or relating to printing plates

DU PONT UK1 citations47

DU PONT

1 patent

US5118344AJun 2, 1992

Recovery of silver

DU PONT1 citations47