Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696688 | Method and apparatus for welding handle studs to cooking vessels | David P. Leif, Philip Brian Platteter, Thomas Haug, Michael Lee Pietrowski | 1997-12-09 |
| 4878524 | Woodworking machine having a plurality of sequentially operative multiple tool units | Bruce C. Rosenthal, Kevin L. Zill, David M. Berglund, Kenneth L. Grover | 1989-11-07 |