Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491917 | Door control systems | Philip M. Higgins, William B. MacKenna, Lawrence G. Sickels | 1985-01-01 |
| 4236215 | Vehicular data handling and control system | Bernard E. Callahan, George A. Carlson, Richard N. Daniels, Richard H. Noens, Richard H. Kruse | 1980-11-25 |