Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4239429 | Collapsible trailer hitch bumper block excessive impact protection assembly | Patricia S. Stoller, James C. Hammonds | 1980-12-16 |
| 4230430 | Collapsible fifth wheel trailer hitch locked position indicator | Patricia S. Stoller, James C. Hammonds | 1980-10-28 |
| 4230431 | Tractor operated fifth wheel hitch stand diagonal strut linkage | Patricia S. Stoller, James C. Hammonds | 1980-10-28 |
| 4225276 | Fifth wheel for railway trailer hitch including a one-way gate | Patricia S. Stoller, James C. Hammonds | 1980-09-30 |