Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6263557 | Apparatus and method for inserting angle plates in channel shaped flanges of a duct | Michael E. Satterfield, Herbert Fischer | 2001-07-24 |
| 6047466 | Apparatus and method for inserting angle plates in channel shaped flanges of a duct | Michael E. Satterfield, Herbert Fischer | 2000-04-11 |