Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D379490 | Liquid chemical tank | Michael D. O'Dougherty | 1997-05-27 |
| 5607080 | Chemical measuring system | Michael D. O'Dougherty, Robert L. Claussen | 1997-03-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D379490 | Liquid chemical tank | Michael D. O'Dougherty | 1997-05-27 |
| 5607080 | Chemical measuring system | Michael D. O'Dougherty, Robert L. Claussen | 1997-03-04 |