Inventor

SIMPSON RALPH E

US6 patents

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

RIZZOLO CHARLES D

2 patents

US8326870B2Dec 4, 2012

Critical parameter/requirements management process and environment

RIZZOLO CHARLES D11 citations80

US8145671B2Mar 27, 2012

Critical parameter/requirements management process and environment

RIZZOLO CHARLES D10 citations80

SIMPSON ENTERPRISES

2 patents

US4203416AMay 20, 1980

Means for holding a cooking vessel in position on a burner grate

SIMPSON ENTERPRISES13 citations70

US4307861ADec 29, 1981

Bag support means

SIMPSON ENTERPRISES4 citations59

XEROX CORP

1 patent

US7899756B2Mar 1, 2011

Critical parameter/requirements management process and environment

XEROX CORP35 citations90

SIMPSON RALPH E

1 patent

US4030678AJun 21, 1977

Tape winding device

SIMPSON RALPH E4 citations54