Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4915787 | Paper machine suction roll seal strips | David Cline, William B. Richmond | 1990-04-10 |
| 4654945 | Method for a compact conversion air-actuated drive unit | David Cline, Norman E. Voelzow | 1987-04-07 |