Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5052259 | Chorded zither | Mary L. Orthey | 1991-10-01 |
| 4248206 | Auxiliary draft device for fireplace | — | 1981-02-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5052259 | Chorded zither | Mary L. Orthey | 1991-10-01 |
| 4248206 | Auxiliary draft device for fireplace | — | 1981-02-03 |