Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4691892 | Sign and sign stand | Ronald E. Grewe, David U. Hillstrom, James R. Seely | 1987-09-08 |
| 4593879 | Compact sign stand | James R. Seely | 1986-06-10 |
| 4548379 | Compact sign and stand | James R. Seely | 1985-10-22 |