Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4922666 | Porch with recessible windows | Bernard J. Rotter, Silas A. Brown | 1990-05-08 |
| 4866866 | Collapsible sign | Bernard J. Rotter, Silas A. Brown | 1989-09-19 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4922666 | Porch with recessible windows | Bernard J. Rotter, Silas A. Brown | 1990-05-08 |
| 4866866 | Collapsible sign | Bernard J. Rotter, Silas A. Brown | 1989-09-19 |