Inventor

MCCOLLUM ROBERT W

US4 patents

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

OTIS ENG CO

2 patents

US4044827AAug 30, 1977

Apparatus for treating wells

OTIS ENG CO18 citations78

US3957115AMay 18, 1976

Method and apparatus for treating wells

OTIS ENG CO24 citations78

(unassigned)

1 patent

US6070996AJun 6, 2000

Pivotable stanchion assembly

10 citations68

MCCOLLUM ROBERT W

1 patent

US7101201B1Sep 5, 2006

Method and apparatus for disabling electrical equipment

MCCOLLUM ROBERT W6 citations53