Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697832 | Variable speed bi-directional planetary grinding or polishing apparatus | David Greenlaw, William Asa Hughes, John Berbaum, Clyde Marchand | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697832 | Variable speed bi-directional planetary grinding or polishing apparatus | David Greenlaw, William Asa Hughes, John Berbaum, Clyde Marchand | 1997-12-16 |