Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12390022 | Devices, systems and methods for hanging and securing items for display | William H. Bullwinkel, Robert Ludwig, Alvin Ma | 2025-08-19 |
| 12359470 | Multi-axis latchbolt lock assembly | Alvin Ma | 2025-07-15 |
| 11992135 | Devices, systems and methods for hanging and securing items for display | William H. Bullwinkel, Robert Ludwig, Alvin Ma | 2024-05-28 |
| 11976497 | Drawer lock assemblies | William H. Bullwinkel, Robert Ludwig, Alvin Ma | 2024-05-07 |
| 11893877 | Security system including automation notification and surveillance integration | Alan Rabinowitz, Octavio Pupo Nogueira Neto | 2024-02-06 |
| 11879269 | Ratchet lock assemblies | William H. Bullwinkel, Robert Ludwig, Alvin Ma | 2024-01-23 |
| D988835 | Ratchet locking device | William H. Bullwinkel, Robert Ludwig | 2023-06-13 |
| D981207 | Drawer lock assembly | William H. Bullwinkel, Robert Ludwig | 2023-03-21 |
| 11545025 | Security system including automation notification and surveillance integration | Alan Rabinowitz, Octavio Pupo Nogueira Neto | 2023-01-03 |
| 11528454 | Lock system including automation notification and surveillance integration | Alan Rabinowitz, Alvin Ma, Octavio Pupo Nogueira Neto | 2022-12-13 |
| 10827853 | Locking devices for pegboard hooks, slatwall hooks, and crossbar hooks | Alvin Ma, Alan Rabinowitz | 2020-11-10 |
| 10721444 | Lock system including automation notification and surveillance integration | Alan Rabinowitz, Alvin Ma, Octavio Pupo Nogueira Neto | 2020-07-21 |
| 5796337 | Electronic security clip device | — | 1998-08-18 |
| 5508682 | Security clip device | — | 1996-04-16 |
| 5345220 | Electronic security clip device | — | 1994-09-06 |