Inventor

DUFFIELD JAMES R

2 patents

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

ABBOTT LAB

1 patent

US4286640ASep 1, 1981

Tamperproof port cover

ABBOTT LAB95 citations93

JACOBSON JEFFREY A

1 patent

US4951855AAug 28, 1990

Counter stress beam hangers

JACOBSON JEFFREY A54 citations91