Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300093 | Combined telephone booth and advertising displays | Robert J. Cameron, William C. Ehlert | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D300093 | Combined telephone booth and advertising displays | Robert J. Cameron, William C. Ehlert | 1989-03-07 |