Inventor

IRWIN ROBERT F

US3 patents

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

IRWIN ROBERT F

2 patents

US8671521B2Mar 18, 2014

Control motion hinge with torsion spring

IRWIN ROBERT F9 citations76

US8393056B2Mar 12, 2013

Control motion hinge

IRWIN ROBERT F3 citations54

PARKER HANNIFIN CORP

1 patent

US6684896B2Feb 3, 2004

Solenoid valve and method for making same

PARKER HANNIFIN CORP15 citations78