LJ

Larry Gene Corwin, Jr.

HS Hanchett Entry Systems: 14 patents #6 of 49Top 15%
SM Securitron Magnalock: 6 patents #2 of 27Top 8%
SM Sargent Manufacturing: 1 patents #77 of 125Top 65%
Overall (All Time): #216,159 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12366092 Interchangeable latch assembly for an exit device John Brennan 2025-07-22
12054966 Door position sensor for an electromagnetic door lock Darik Jay 2024-08-06
12031355 Surface mounted electric strike David Moroyoqui, James Griffin, Trace Morgan, Joshua T. Peabody 2024-07-09
11885154 Modular surface mounted electric strike David Moroyoqui, James Griffin, Trace Morgan, Darik Jay, Darin Graves +1 more 2024-01-30
11566442 Resiliently mounted strike plate of an electromagnetic door lock Dan Van Dusen 2023-01-31
11566449 Interchangeable latch assembly for an exit device John Brennan 2023-01-31
11299914 Electrified exit device John Brennan, Lawrence Harrell, IV, Robert W. Lewis 2022-04-12
11035150 Electrified exit device John Brennan, Lawrence Harrell, IV, Robert W. Lewis 2021-06-15
10465421 Access control devices of the electromagnetic lock module type Michael A. Webb 2019-11-05
10190333 Resiliently mounted strike plate of an electromagnetic door lock Dan Van Dusen 2019-01-29
10077577 Access control devices of the electromagnetic lock module type Michael A. Webb 2018-09-18
10017964 Latch mechanism for an exit device 2018-07-10
9957733 Access control devices of the electromagnetic lock module type Michael A. Webb, Matthew Lynn Petersen 2018-05-01
9151096 Access control device for a door Robert C. Hunt, Jonathan King, Paul Justus Rodgers 2015-10-06
8966259 Controller-keypad/card reader identification system including card programming and secure communications Don Bartley, Robert C. Hunt 2015-02-24
D690576 Electromagnetic lock Michael A. Webb 2013-10-01
8448382 Apparatus for transferring electric power between a closable member and a frame Paul Justus Rodgers, Thomas Roth, Michael A. Webb 2013-05-28
D682655 Electromagnetic lock Michael A. Webb 2013-05-21
8047582 Electro-mechanical lock Paul Justus Rodgers, Robert C. Hunt, Shawn Rubendall 2011-11-01
7032418 Vertical door locking system Dale D. Martin, Ronald S. Slusarski, Gurdev Bains, John Hayde, Shilin Yang +5 more 2006-04-25