Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6179039 | Method of reducing distortion in a spray formed rapid tool | Grigoriy Grinberg, David Robert Collins, Jeffrey Alan Kinane, Paul E. Pergande | 2001-01-30 |
| 4603025 | Method for pour casting roller skate wheel | David L. Landay | 1986-07-29 |