Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9789942 | Large-scale watercraft storage system | Christian F. Rosenberg, William C. Maffett, Mark E. Williams | 2017-10-17 |
| 9745033 | Boat storage stacker with rotatable and offset mast | — | 2017-08-29 |
| 7367747 | Adjustable and extending transport cradle for watercraft | William C. Maffett | 2008-05-06 |
| 7112007 | Cradle for item transportation and storage, especially watercraft storage | William C. Maffett | 2006-09-26 |
| 6007288 | Watercraft storage system | William C. Maffett | 1999-12-28 |