Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6027641 | Liquid surface skimmer | Henry Peter Spradbury, deceased | 2000-02-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6027641 | Liquid surface skimmer | Henry Peter Spradbury, deceased | 2000-02-22 |