Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921938 | Command and control for boring system | W. Andrew Berger, Robert A. Spalletta, Jerry A. Carter, Marian Mazurkiewicz | 2011-04-12 |
| 7828078 | System for rapidly boring through materials | Wojciech Andrew Berger, Robert A. Spalletta, Jerry A. Carter, Marian Mazurkiewicz, Christopher Davey | 2010-11-09 |
| 7584807 | Multiple pulsejet boring device | W. Andrew Berger, Robert A. Spalletta, Jerry A. Carter, Marian Mazurkiewicz | 2009-09-08 |