Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875464 | Clean burning gas log burner system | Ronald J. Shimek | 1989-10-24 |
| 4852548 | Universal fireplace assembly | Ronald J. Shimek | 1989-08-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4875464 | Clean burning gas log burner system | Ronald J. Shimek | 1989-10-24 |
| 4852548 | Universal fireplace assembly | Ronald J. Shimek | 1989-08-01 |