Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883527 | Glass sheet bending and tempering apparatus | Harold A. McMaster, Norman C. Nitschke, Ronald A. McMaster | 1989-11-28 |
| 4822398 | Glass bending and tempering apparatus | Harold A. McMaster, Norman C. Nitschke, Ronald A. McMaster | 1989-04-18 |