Inventor

CHALKO JR GERALD F

US5 patents

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

(unassigned)

2 patents

US5806355ASep 15, 1998

Universal adapter for a security system

42 citations91

US5755126AMay 26, 1998

Security system for cargo loading doors

44 citations91

LANIGAN WILLIAM P

2 patents

US8764071B2Jul 1, 2014

Door management system for field service and delivery personnel

LANIGAN WILLIAM P27 citations87

US7806326B2Oct 5, 2010

Door management system for field service and delivery personnel

LANIGAN WILLIAM P4 citations57

MI JACK PRODUCTS INC

1 patent

US7059159B2Jun 13, 2006

Security system for cargo trailers

MI JACK PRODUCTS INC111 citations95