Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4733521 | Cover forming apparatus | Donald E. Weder, Erwin H. Weder, Franklin J. Craig | 1988-03-29 |
| 4549908 | Composition for decorative grass | Erwin H. Weder, Donald E. Weder | 1985-10-29 |
| 4496614 | Composition for decorative grass | Erwin H. Weder, Donald E. Weder | 1985-01-29 |
| 4401700 | Composition for decorative grass | Erwin H. Weder, Donald E. Weder | 1983-08-30 |