Inventor

HOWARD GLEN E

US4 patents

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

PERKIN ELMER CORP

2 patents

US4837443AJun 6, 1989

Guard ring for a differentially pumped seal apparatus

PERKIN ELMER CORP26 citations90

US4788431ANov 29, 1988

Specimen distance measuring system

PERKIN ELMER CORP21 citations80

ETEC SYSTEMS INC

1 patent

US5177402AJan 5, 1993

Arc suppressor for electron gun

ETEC SYSTEMS INC26 citations89

APPLIED MATERIALS INC

1 patent

US6828996B2Dec 7, 2004

Electron beam patterning with a heated electron source

APPLIED MATERIALS INC3 citations60