Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8182914 | Water contact indicator | Russell D. Birkholz, Mark E. Schwartz | 2012-05-22 |
| 7744997 | Water contact indicator | Russell D. Birkholz, James S. Mrozinski, Ramon T. Ignacio | 2010-06-29 |
| 7732046 | Water contact indicator | Russell D. Birkholz, Mark E. Schwartz | 2010-06-08 |
| 7105225 | Water contract indicator | Russell D. Birkholz, James S. Mrozinski, Ramon T. Ignacio | 2006-09-12 |
| 4724175 | Prefabricated bow form | Daniel Pohl, Bernard S. Truskolaski | 1988-02-09 |
| 4684552 | Prefabricated bow form for a pom bow | Daniel Pohl | 1987-08-04 |