Inventor

BARBERO PAUL

US2 patents

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

SAMPSON MACHINE COMPANY

1 patent

US4909892AMar 20, 1990

Apparatus for welding thermoplastic frame members

SAMPSON MACHINE COMPANY57 citations90

GRANDY JOHN

1 patent

US4828239AMay 9, 1989

Frame piece joining apparatus and jig therefor

GRANDY JOHN9 citations64