Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12291912 | Door system having a swing interlock system | Thomas M. Kowalczyk, Ronald Laliberte, James Cavanaugh | 2025-05-06 |
| 12241307 | Connection system for a header and a jamb of a door assembly | Benjamin Marotte, James Cavanaugh, Ronald Laliberte | 2025-03-04 |
| 12168893 | Slide latching system for a door system | Thomas M. Kowalczyk, Ronald Laliberte, James Cavanaugh, Daniel R. Seymour | 2024-12-17 |
| 11555344 | Door system having a swing interlock system | Thomas M. Kowalczyk, Ronald Laliberte, James Cavanaugh | 2023-01-17 |
| 10900263 | Retractable latch hook shroud assembly | Ronald Laliberte, Seth Strauser, James Cavanaugh | 2021-01-26 |
| 8997401 | Bi-parting, bi-directional door system | Thomas M. Kowalczyk, Frank Howard Luke, John Andrew Nurse | 2015-04-07 |