P

Inventor

WAID MARGARET COWSAR

US11 patents
⚠️ This page may combine multiple inventors who share the name “WAID MARGARET COWSAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PRECISION ENERGY SERVICES INC

4 patents

WAID MARGARET COWSAR

3 patents

(unassigned)

2 patents

HALLIBURTON ENERGY SERV INC

1 patent

RPC INC

1 patent