Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5847318 | Hand hole reinforcement assembly | — | 1998-12-08 |
| 5499885 | Apparatus for joining structural components | — | 1996-03-19 |
| 5408088 | Electrostatically-focused image intensifier tube and method of making | Charles A. Rowell | 1995-04-18 |
| 4450740 | Rotary envelope cutting apparatus | John J. Crowley | 1984-05-29 |
| 4429603 | Rotary envelope cutting method | John J. Crowley | 1984-02-07 |