Inventor

HAGEN JOHN

US4 patents

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

SZACHOWICZ JR HENRY E

1 patent

US4735618AApr 5, 1988

Protective enclosure for hypodermic syringe

SZACHOWICZ JR HENRY E301 citations93

HAGEN JOHN

1 patent

US7327109B1Feb 5, 2008

Adjustable bridge for acoustic stringed instruments

HAGEN JOHN20 citations76

DOMAILLE ENG LLC

1 patent

US9690048B2Jun 27, 2017

Optical fiber fixtures and methods for laser cleaving

DOMAILLE ENG LLC2 citations69

WALTER ELECTRICAL MANUFACTURIN

1 patent

US4778412AOct 18, 1988

Buss bar assemblies

WALTER ELECTRICAL MANUFACTURIN12 citations69