Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981083 | Method of making composite castings using reinforcement insert cladding | Gregory N. Colvin, Donald E. Larsen, Jr., William R. Freeman | 1999-11-09 |
| 5678298 | Method of making composite castings using reinforcement insert cladding | Gregory N. Colvin, Donald E. Larsen, Jr., William R. Freeman | 1997-10-21 |
| 4842822 | Aluminum-lithium alloy and method of investment casting an aluminum-lithium alloy | Gregory N. Colvin | 1989-06-27 |
| 4212669 | Method for the production of precision shapes | William R. Freeman, Louis E. Dardi | 1980-07-15 |