Robert Ludwig — 7 Patents at Innovation Lock

Robert Ludwig has been granted 7 US patents while listed as an inventor at Innovation Lock. The first was granted in 1981 and the most recent in August 2025. Robert Ludwig ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Robert Ludwig in Newton, NJ, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date
12390022	Devices, systems and methods for hanging and securing items for display	William H. Bullwinkel, David R. Wachsman, Alvin Ma	2025-08-19
11992135	Devices, systems and methods for hanging and securing items for display	William H. Bullwinkel, David R. Wachsman, Alvin Ma	2024-05-28
11976497	Drawer lock assemblies	William H. Bullwinkel, David R. Wachsman, Alvin Ma	2024-05-07
11879269	Ratchet lock assemblies	William H. Bullwinkel, David R. Wachsman, Alvin Ma	2024-01-23
D988835	Ratchet locking device	William H. Bullwinkel, David R. Wachsman	2023-06-13
D981207	Drawer lock assembly	William H. Bullwinkel, David R. Wachsman	2023-03-21
4307954	Bayonet mount	—	1981-12-29

Robert Ludwig — 7 Patents

Issued Patents All Time

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