Inventor

SHAFFER FRANCIS N

3 patents

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

GTE SYLVANIA INC

2 patents

US4037110AJul 19, 1977

Yttrium indium phosphate X-ray phosphors, method of preparation and X-ray intensifying screen containing same

GTE SYLVANIA INC7 citations70

US4082687AApr 4, 1978

Manganese activated alkaline earth tungstate phosphors and method of preparing the same

GTE SYLVANIA INC4 citations51

GTE PROD CORP

1 patent

US4266137AMay 5, 1981

Cerium activated yttrium gadolinium phosphate x-ray phosphors, process for producing same, an x-ray intensifying screen employing same

GTE PROD CORP7 citations67