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Inventor
GREGORY RICHARD A
US
3 patents
⚠️ This page may combine multiple inventors who share the name “GREGORY RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INVENTIO AG
2 patents
US5201409A
Apr 13, 1993
Vandal resistant push button assembly
INVENTIO AG
10 citations
69
US5627439A
May 6, 1997
Light barrier for reopening elevator doors
INVENTIO AG
13 citations
64
UNION CARBIDE CHEM PLASTIC
1 patent
US5589149A
Dec 31, 1996
Process for absorption of mercaptans
UNION CARBIDE CHEM PLASTIC
56 citations
91