Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014561 | Method and apparatus for obtaining accurate sample | Richard A. Falk, Larry Janicsek, Joseph J. Boron | 1991-05-14 |
| 4881824 | Immersible probe | Richard A. Falk | 1989-11-21 |
| 4667385 | Lance for stirring molten metal and method of making the same | Nelson H. Kehl | 1987-05-26 |