Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481050 | Motor-fan cooling air directed into filter bag | William H. Theiss, Jr. | 2002-11-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481050 | Motor-fan cooling air directed into filter bag | William H. Theiss, Jr. | 2002-11-19 |