Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997165 | Safety rail for collapsible bleachers | — | 1991-03-05 |
| 4918896 | Telescopic flagpole | — | 1990-04-24 |
| 4361991 | Seating and guard rail structure for bleachers | — | 1982-12-07 |
| 4291611 | Automatic loading device | Warren W. Wells, Robert E. Strohman | 1981-09-29 |