Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637095 | Joining assembly for mounting a fastening element to an external surface of a structural member | Michael Stumpf | 2003-10-28 |
| 6193456 | Threaded metal insert | Michael Stumpf, Peter A. Jankowski | 2001-02-27 |