Issued Patents All Time
Showing 1–2 of 2 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 | Gene DiFonso, Joel L. Staehs, William C. Bortzfield, deceased | 1994-01-11 |
| 5267514 | Track for material handling car and car wheel assembly for cooperation therewith | Joel L. Staehs, Gene DiFonso, William C. Bortzfield, deceased | 1993-12-07 |