Inventor

CARIGNAN DONALD A

US4 patents

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

DIGITAL EQUIPMENT CORP

1 patent

US5784552AJul 21, 1998

Debugging a computer program by simulating execution forwards and backwards in a main history log and alternative history logs

DIGITAL EQUIPMENT CORP128 citations96

MEDRX INC

1 patent

US5658235AAug 19, 1997

Video otoscope and optical lens system therefor

MEDRX INC108 citations91

HEFT DALLAS E

1 patent

US4840474AJun 20, 1989

Furnace viewing system

HEFT DALLAS E23 citations70

AVID TECH INC

1 patent

US10438634B2Oct 8, 2019

Content-based unique material identifiers

AVID TECH INC0 citations35