Inventor
WALSH III JOHN E
US12 patents
⚠️ This page may combine multiple inventors who share the name “WALSH III JOHN E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HARROW PRODUCTS INC
7 patentsUS5923264AJul 13, 1999
Multiple access electronic lock system
HARROW PRODUCTS INC170 citations98
US6714118B1Mar 30, 2004
Modular electronic door security system
HARROW PRODUCTS INC57 citations96
US5988708ANov 23, 1999
Electromagnetically managed latching exit bar
HARROW PRODUCTS INC66 citations95
US6565130B1May 20, 2003
Dual action latch retractor
HARROW PRODUCTS INC52 citations92
US6386597B1May 14, 2002
Dual latch retraction system for exit bar
HARROW PRODUCTS INC52 citations92
US5823582AOct 20, 1998
Electromagnetically-managed latching exit bar
HARROW PRODUCTS INC40 citations92
US5611582AMar 18, 1997
Impact resistant armature
HARROW PRODUCTS INC27 citations88