Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4293389 | Door closure construction for sealing the sealing edge of a coke oven door in a framed coke oven opening | — | 1981-10-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4293389 | Door closure construction for sealing the sealing edge of a coke oven door in a framed coke oven opening | — | 1981-10-06 |