Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746828 | Molded electric motor housing and brush holder unit | Robert H. Lockwood, John D. Sherman | 1988-05-24 |
| D285619 | Vacuum cleaner | George L. Schick, John S. Tarnowski, Frederick M. Kipp | 1986-09-09 |