Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5384043 | Skimmer having a retractable dynamic inclined plane | Walter P. Sarnacki, Robert L. Watkins | 1995-01-24 |
| RE30729 | Floatage collecting apparatus and method | James Farrell, Edward E. Johanson | 1981-09-01 |