Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4946711 | Masking compositions and method for applying the same | Fred D. Hawker, Victor E. Pietryga, James Wichmann, Patricia A. Nicpon | 1990-08-07 | $938,000 |
| 4806390 | Masking compositions for chemical milling and method for applying the same | Fred D. Hawker, Victor E. Pietryga | 1989-02-21 | $961,000 |