Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5090711 | Seal assemblies for internal mixers | — | 1992-02-25 |
| 5056800 | Seal assembly for internal mixers | — | 1991-10-15 |
| 4875382 | Stepping drive | Felix Kramer | 1989-10-24 |
| 4417773 | Ball swivel joint for an excavator or the like | — | 1983-11-29 |
| 4260050 | Pick-up and dump machine | — | 1981-04-07 |