Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4412503 | Sinker assembly for hot-dip coating applications | Frank W. Bakewell, C. Donald Stricker | 1983-11-01 |
| 4322101 | Adjustable spring latch for coke oven doors or the like | Calvin E. Kelly | 1982-03-30 |
| 4304413 | Seal for the gas offtake piping of a coke oven | Paul E. Champagne, Calvin E. Kelly | 1981-12-08 |
| 4226679 | Latch mechanism for coke oven doors | Calvin E. Kelly | 1980-10-07 |