Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739487 | Configurable dam gate hoist | Micheal H. Sprague | 2023-08-29 |
| 8118077 | Retractable arched window covering | — | 2012-02-21 |
| 7506697 | Recoil auger with clutch bearing | — | 2009-03-24 |
| 4846431 | Clamp for connecting modular furniture components | — | 1989-07-11 |
| 4819569 | Movable table with stabilizing apparatus | John M. Bastian, Robert F. Seitz | 1989-04-11 |
| 4716840 | Drafting board with replaceable surface layer | Richard C. Tringali | 1988-01-05 |
| 4717102 | Pivotal clamp for connecting modular furniture components | — | 1988-01-05 |
| 4700916 | Cantilever arm assembly for modular furniture | John M. Bastian, Marshall K. Beck | 1987-10-20 |
| 4600248 | Modular desk construction | — | 1986-07-15 |