Inventor

WOJDAN DENNIS E

US3 patents

Patents

3 patents

US5757269AMay 26, 1998

Latch monitor

SECURITRON MAGNALOCK CORP99 citations95

US5758913AJun 2, 1998

Impact resistant electromagnetic lock

SECURITRON MAGNALOCK CORP39 citations89

US7032418B2Apr 25, 2006

Vertical door locking system

SECURITRON MAGNALOCK CORP29 citations86