Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381803 | Vacuum cleaner | Robert C. Berfield, Ronald Griffin | 2002-05-07 |
| 6384497 | Thermally responsive protection apparatus for electric motors | Gary C. Berray | 2002-05-07 |
| 6343773 | Support structure | Gary C. Berray | 2002-02-05 |