Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5091046 | Caustic etching of aluminum with matte finish and low waste capability | Phillip Hohn | 1992-02-25 |
| 4682440 | Animal trap | — | 1987-07-28 |
| 4186174 | Process and apparatus for obtaining a more concentrated solution of a component using ion exchange beds | Irving H. Spinner | 1980-01-29 |