Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9789942 | Large-scale watercraft storage system | Christian F. Rosenberg, William C. Maffett, Brian D. Maffett | 2017-10-17 |
| 9677341 | Drill bit with extended life seal | Seth Garrett Anderle, Ping Sui, Guy Lefort | 2017-06-13 |