Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179221 | Fixed spray sprinkler with flow shut off valve | Allan Morris Goldberg, James Zimmerman | 2001-01-30 |
| 4787558 | Rotary drive sprinkler | Timothy C. Sexton, George H. Lockwood, David Eugene Robertson, Mark J. Mattson, Robert W. Patterson | 1988-11-29 |
| 4625914 | Rotary drive sprinkler | Timothy C. Sexton, George H. Lockwood, David Eugene Robertson, Mark J. Mattson, Robert W. Patterson | 1986-12-02 |