Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4926703 | Method and apparatus for determination and display of critical gas supply information | — | 1990-05-22 |
| 4927432 | Pad material for grinding, lapping and polishing | Elmer Jensen | 1990-05-22 |
| 4876903 | Method and apparatus for determination and display of critical gas supply information | — | 1989-10-31 |
| 4512113 | Workpiece holder for polishing operation | — | 1985-04-23 |
| 4198739 | Printing roller with polymeric coner and method of making the same | James L. Keen, Joseph D. Kellner | 1980-04-22 |