Inventor

WIGGINS RICHARD J

US2 patents

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

CASING FRANK S CREW & RENTAL

1 patent

US7182133B2Feb 27, 2007

Elevator sensor

CASING FRANK S CREW & RENTAL40 citations89

FRANKS CASING CREW & RENTAL

1 patent

US7322406B2Jan 29, 2008

Elevation sensor for a service hose and an apparatus for positioning and stabbing well tubulars

FRANKS CASING CREW & RENTAL22 citations88