Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4692196 | Apparatus and method for wrapping an external tape support about a filter element assembly | Norman W. Ellegood, Joel L. Fritsche, John J. Groezinger, Ronald W. Streitmatter | 1987-09-08 |