Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7137465 | Crawler device | Peter Kerrebrock, William W. McFarland, Thomas G. Ogrodnik | 2006-11-21 |
| 6576880 | Flyer assembly | Richard T. Martorana, Simon Mark Spearing, Seth Kessler, Brent Appleby, Edward Bergmann +6 more | 2003-06-10 |
| 6392213 | Flyer assembly | Richard T. Martorana, Simon Mark Spearing, Seth Kessler, Brent Appleby, Edward Bergmann +6 more | 2002-05-21 |
| 6138604 | Pelagic free swinging aquatic vehicle | Peter Kerrebrock, Peter Sebelius | 2000-10-31 |