Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4378209 | Gas levitator having fixed levitation node for containerless processing | Leroy H. Berge, John M. Theiss | 1983-03-29 |
| 4218921 | Method and apparatus for shaping and enhancing acoustical levitation forces | Leroy H. Berge, Donald A. Reiss, Jerry L. Johnson | 1980-08-26 |