P

Inventor

BRETL ROBERT J

US15 patents
⚠️ This page may combine multiple inventors who share the name “BRETL ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DYNETICS ENG CORP

5 patents

DYNETICS ENGINEERING CORP INC

4 patents

LOCK R LOCK INC

2 patents

LOCK R LOCK

1 patent

DYMETICS ENGINEERING CORP INC

1 patent

(unassigned)

1 patent

R A LOCKHART AND COMPANY

1 patent