Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D377278 | Display cabinet | Emily Putterman | 1997-01-14 |
| 4479740 | Erosion control device and method of making and installing same | Cecil F. Schaaf | 1984-10-30 |
| 4207718 | Concrete block wall | Cecil F. Schaaf, David C. Morton | 1980-06-17 |