Inventor

BUTTS GENE A

US5 patents

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

HELENA LAB CORP

4 patents

US4005434AJan 25, 1977

Method and apparatus for graphic densitometer display

HELENA LAB CORP8 citations72

US4697236ASep 29, 1987

Densitometer with automatic gain and reference value adjustment of analog waveform

HELENA LAB CORP13 citations71

US4684244AAug 4, 1987

Method of scanning optical density patterns

HELENA LAB CORP11 citations71

US4285594AAug 25, 1981

Optical system for densitometer

HELENA LAB CORP8 citations69

HELENA LABS CORP

1 patent

US4242730ADec 30, 1980

Single scan microprocessor-controlled densitometer

HELENA LABS CORP39 citations86