Inventor

HOLLIS CALVIN L

US2 patents

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

(unassigned)

1 patent

US5385117AJan 31, 1995

Poultry collection device

19 citations68

HOLLIS CALVIN L

1 patent

US4842735AJun 27, 1989

Oil skimming apparatus

HOLLIS CALVIN L17 citations66