Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397594 | Collapsible trailer hitch bumper block assembly | James C. Hammonds, Ronald D. VanDyke | 1983-08-09 |
| 4239429 | Collapsible trailer hitch bumper block excessive impact protection assembly | James C. Hammonds, Ronald D. Van Dyke | 1980-12-16 |
| 4239059 | Automatic air inlet and outlet valve assembly | Gerald D. Garner, John A. Krug | 1980-12-16 |
| 4239060 | Automatic air inlet and outlet valve assembly having upper chamber opening | John A. Krug, Gerald D. Garner | 1980-12-16 |
| 4237927 | Automatic air inlet and outlet valve assembly | John A. Krug, Gerald D. Garner | 1980-12-09 |
| 4230430 | Collapsible fifth wheel trailer hitch locked position indicator | James C. Hammonds, Ronald D. Van Dyke | 1980-10-28 |
| 4230431 | Tractor operated fifth wheel hitch stand diagonal strut linkage | James C. Hammonds, Ronald D. Van Dyke | 1980-10-28 |
| 4225276 | Fifth wheel for railway trailer hitch including a one-way gate | James C. Hammonds, Ronald D. Van Dyke | 1980-09-30 |
| 4216726 | Railway trailer hitch stand pivoting one-way gate | James C. Hammonds, John O. Kloepper, Arnold Schlobohm | 1980-08-12 |
| 4185564 | Trailer hitch yoke positioning assembly | James C. Hammonds, John O. Kloepper, Arnold Schlobohm | 1980-01-29 |