Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647109 | Upholstered seat assembly and a one-piece seat and back shell of molded plastic therefor | Steven P. Spiegelhoff | 1987-03-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647109 | Upholstered seat assembly and a one-piece seat and back shell of molded plastic therefor | Steven P. Spiegelhoff | 1987-03-03 |