Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12390022 | Devices, systems and methods for hanging and securing items for display | Robert Ludwig, David R. Wachsman, Alvin Ma | 2025-08-19 |
| 11992135 | Devices, systems and methods for hanging and securing items for display | Robert Ludwig, David R. Wachsman, Alvin Ma | 2024-05-28 |
| 11976497 | Drawer lock assemblies | Robert Ludwig, David R. Wachsman, Alvin Ma | 2024-05-07 |
| 11879269 | Ratchet lock assemblies | Robert Ludwig, David R. Wachsman, Alvin Ma | 2024-01-23 |
| 11732507 | Interchangeable core lock assemblies | Alvin Ma | 2023-08-22 |
| D988835 | Ratchet locking device | Robert Ludwig, David R. Wachsman | 2023-06-13 |
| D981207 | Drawer lock assembly | Robert Ludwig, David R. Wachsman | 2023-03-21 |
| 11603680 | Interchangeable core lock assemblies | Alvin Ma | 2023-03-14 |
| D899218 | Locking device | Pasquale J. Luongo, IV | 2020-10-20 |
| 10724276 | Interchangeable core lock assemblies | Alvin Ma | 2020-07-28 |
| 10662672 | Locking device for product display hooks, showcases, cabinets, fixtures, and casework | — | 2020-05-26 |
| 10184270 | Locking device for product display hooks, showcases, cabinets, fixtures, and casework | — | 2019-01-22 |
| 10156088 | Locking device for product display hooks, showcases, cabinets, fixtures, and casework | Pasquale J. Luongo, IV | 2018-12-18 |
| 10087653 | Lost motion driver for interchangeable core lock assemblies | — | 2018-10-02 |
| 9816289 | Lost motion driver for interchangeable core lock assemblies | — | 2017-11-14 |
| 9435144 | Locking device for product display hooks, showcases, cabinets, fixtures, and casework | — | 2016-09-06 |
| RE41188 | Plunger lock assembly with removable core | Alan E. Lurie, Joseph R. Thomas | 2010-04-06 |
| 6920770 | Plunger lock assembly with removable core | Alan E. Lurie, Joseph R. Thomas | 2005-07-26 |