Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D815552 | Channel marker | Elizabeth A. Gilman | 2018-04-17 |
| 9751255 | Hand-held channel marker | Elizabeth A. Gilman | 2017-09-05 |
| D602389 | Mooring buoy | Elizabeth A. Gilman | 2009-10-20 |
| D363445 | Ocean buoy | George O. Warner | 1995-10-24 |
| 4304268 | Insulation tubes and process of making same | — | 1981-12-08 |
| 4239064 | Insulation tubes and process of making same | — | 1980-12-16 |