Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4342343 | Method of making a negative lead-acid storage battery plate | Robert Edward Clague, Douglas J. Harvey | 1982-08-03 |
RH
Richard Hammar
Overall (1982): #36,617 of 81,411Top 45%
1
Patents 1982