Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277124 | Direction control assembly for a material handling car having pivoted divert aims engaging tracks for guidance in switch area | Joel L. Staehs, Charles A. Kemp, William C. Bortzfield, deceased | 1994-01-11 |
| 5277125 | Material handling car and track assembly having opposed magnet linear motor drive and opposed permanent magnet brake assembly | Joel L. Staehs | 1994-01-11 |
| 5267514 | Track for material handling car and car wheel assembly for cooperation therewith | Joel L. Staehs, Charles A. Kemp, William C. Bortzfield, deceased | 1993-12-07 |
| 5251563 | Synchronous drive and braking means for material handling car | Joel L. Staehs, William C. Bortzfield, deceased | 1993-10-12 |