Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351159 | Energy recovery system | — | 1982-09-28 |
FS
Frank A. Schumacher
Overall (1982): #64,828 of 81,411Top 80%
1
Patents 1982