Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4620636 | Office accessory system for use on both horizontal and vertical surfaces | Francis V. Herr, Thomas B. Walklet, James Hansen, Theodore J. Hasler, Valentin Beil +1 more | 1986-11-04 |
| 4478339 | Office accessory system for use on both horizontal and vertical surfaces | Francis V. Herr, Thomas B. Walklet, James Hansen, Theodore J. Hasler, Valentin Beil +1 more | 1984-10-23 |