Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897974 | Vent pipe roof mount | — | 1990-02-06 |
| 4548137 | Wind cap | — | 1985-10-22 |
| D271793 | Air control check unit for fireplaces and the like | — | 1983-12-13 |
| D265046 | Fireplace grate and blower tube surround assembly | — | 1982-06-22 |
| D261930 | Fireplace grate and blower tube surround assembly with elevated water heating heat exchanger tubes and baffle structure | — | 1981-11-17 |
| 4261073 | Chimney sweep | — | 1981-04-14 |