Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821367 | Ultrasonic tool and method for securing a covering to a frame | Douglas B. MacDonald, Dean K. Hubbard, Robert T. Ruthven, Daniel M. Ursul, Larry B. Hanify | 2004-11-23 |
| 6000180 | Partition system with removable cover panels | Steven F. Goodman, Kenneth D. Brickner, Allen C. Hager | 1999-12-14 |