Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4930701 | Confluent nozzle | Eshmal L. Porter, Walter E. Wozniak | 1990-06-05 |
| 4685966 | Surface tracking apparatus | Walter E. Wozniak | 1987-08-11 |
| 4239059 | Automatic air inlet and outlet valve assembly | Patricia S. Stoller, John A. Krug | 1980-12-16 |
| 4239060 | Automatic air inlet and outlet valve assembly having upper chamber opening | Patricia S. Stoller, John A. Krug | 1980-12-16 |
| 4237927 | Automatic air inlet and outlet valve assembly | Patricia S. Stoller, John A. Krug | 1980-12-09 |