Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8205359 | Sidewalk grader apparatus and method | — | 2012-06-26 |
| 7624520 | Sidewalk grader apparatus and method | — | 2009-12-01 |
| 5744432 | Stamping lubricants | Jeff A. Barnhorst, Roger H. Garst, Eugene R. Zehler | 1998-04-28 |
| 5569406 | Stamping lubricants | Jeff A. Barnhorst, Roger H. Garst, Eugene R. Zehler | 1996-10-29 |