Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469958 | Conveyor drive spocket | David R. Gruettner | 1995-11-28 |
| 5303818 | Modular conveyor belt | David R. Gruettner | 1994-04-19 |
| 5213001 | Power transmission element having increased torque capacity | David R. Gruettner | 1993-05-25 |
| 5037356 | Split sprocket assembly | David P. Gruettner, Edward W. Mentzer | 1991-08-06 |
| D284640 | Conveyor chain link | Roger H. Schroeder, Wasyly G. Hodlewsky | 1986-07-15 |