Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364761 | Ceramic filters for diesel exhaust particulates and methods for making | Morris Berg, Carl F. Schaefer | 1982-12-21 |
WJ
William J. Johnston
Overall (1982): #23,840 of 81,411Top 30%
1
Patents 1982