Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7997659 | Rotary cutter for tunnel boring machine | Thomas E. Oertley, Robert L. Meyer, Dennis R. Shookman | 2011-08-16 |
GK
Gregory J. Kaufmann
Overall (2011): #294,941 of 364,097Top 85%
1
Patents 2011