Inventor

SANFORD DAVID M

US4 patents

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

UNITED TECHNOLOGIES CORP

2 patents

US5673203ASep 30, 1997

Crack monitoring apparatus

UNITED TECHNOLOGIES CORP18 citations89

US5539656AJul 23, 1996

Crack monitoring apparatus

UNITED TECHNOLOGIES CORP34 citations89

SANFORD DAVID M

1 patent

US4926470AMay 15, 1990

Telephone call screening circuit

SANFORD DAVID M61 citations90

SIEMENS INDUSTRY INC

1 patent

US7669470B2Mar 2, 2010

Mail piece stiffness detector

SIEMENS INDUSTRY INC4 citations59