Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807872 | Child swing with upstanding members in abutting relationship | Raymond Spilman, Jacob A. Krapowicz | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807872 | Child swing with upstanding members in abutting relationship | Raymond Spilman, Jacob A. Krapowicz | 1989-02-28 |