Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4456189 | Controlled expansion strip accumulator | Christopher Cooper, Charles R. Krejsa | 1984-06-26 |
| 4410121 | Spiral coil strip accumulator and method | Christopher Cooper, Charles R. Krejsa | 1983-10-18 |