Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856046 | Remote public telephone link | Donald A. Streck | 1989-08-08 |
| 4852802 | Smart irrigation sprinklers | Donald A. Streck, Joseph W. Pender | 1989-08-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4856046 | Remote public telephone link | Donald A. Streck | 1989-08-08 |
| 4852802 | Smart irrigation sprinklers | Donald A. Streck, Joseph W. Pender | 1989-08-01 |