Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D298764 | Letter tray | Robert A. O'Neil, Leon C. Clouser, Jr. | 1988-11-29 |
| 4620636 | Office accessory system for use on both horizontal and vertical surfaces | Thomas B. Walklet, James Hansen, Theodore J. Hasler, Valentin Beil, Harold E. Donlon +1 more | 1986-11-04 |
| 4478339 | Office accessory system for use on both horizontal and vertical surfaces | Thomas B. Walklet, James Hansen, Theodore J. Hasler, Valentin Beil, Harold E. Donlon +1 more | 1984-10-23 |
| D268118 | Combined calendar, memo and pencil holder | Thomas B. Walklet, James Hansen, Theodore J. Hasler | 1983-03-01 |
| D267656 | Combined letter tray and file | James V. Vevirit, Thomas B. Walklet, James Hansen, Theodore J. Hasler | 1983-01-18 |