Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6390052 | Wobble engine | Harold A. McMaster | 2002-05-21 |
| 5472470 | Glass sheet press forming and quenching ring | Kenneth R. Kormanyos, Jeffery A. Grzeszczak, Thomas L. Shaw | 1995-12-05 |
| 5047077 | Combination heater quench | Harold A. McMaster | 1991-09-10 |
| 5002599 | Heated glass sheet topside support device | Harold A. McMaster | 1991-03-26 |
| 4515622 | Glass sheet quench including oppositely angled jets | Harold A. McMaster, Ronald A. McMaster | 1985-05-07 |
| 4470838 | Composite blasthead for quench station of glass sheet tempering system | Ronald A. McMaster | 1984-09-11 |