Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1077360 | Tooth cleaning implement | — | 2025-05-27 |
| 6076617 | Auger apparatus | — | 2000-06-20 |
| 5673761 | Ice auger apparatus | — | 1997-10-07 |
| D364531 | Ice shaver apparatus body | Richard H. Jacobs, Richard D. Ipsen, Thomas J. Novetzke, Paulette M. Magnuson, Steve J. Wrobel | 1995-11-28 |
| 5421597 | Convertible infant stroller and trailer with quick release hitch | — | 1995-06-06 |
| 5318318 | Convertible infant stroller and trailer | Allan J. Alden | 1994-06-07 |
| 5259634 | Convertible infant stroller and trailer | Allan J. Alden | 1993-11-09 |
| RE34287 | Window operator | Eric Stender, Frank W. Campbell, Allen J. Alden | 1993-06-22 |
| 5162610 | Shielded enclosure for an electronic device | Frank Clifton, Frank W. Campbell, Allan J. Alden | 1992-11-10 |
| 5004961 | Window operator control | Thomas A. Roman | 1991-04-02 |
| 4945678 | Window operator | Eric Stender, Frank W. Campbell, Allen J. Alden | 1990-08-07 |
| 4939876 | Position adjustable handrail for use along stairways | — | 1990-07-10 |
| 4933613 | Control for operating a plurality of window operators | Thomas A. Roman | 1990-06-12 |
| 4930808 | Passenger restraint system | Joseph F. Mikoll, Melvin M. Goldfein | 1990-06-05 |
| 4856761 | Position adjustable handrail for use along stairways | — | 1989-08-15 |
| 4566440 | Orthosis for leg movement with virtual hip pivot | Patricia M. Derus, James P. Berner | 1986-01-28 |
| D269514 | Snow thrower | — | 1983-06-28 |
| D268184 | Snow thrower | — | 1983-03-08 |
| D267953 | Powered snow thrower | — | 1983-02-15 |
| 4329792 | Snow remover | — | 1982-05-18 |
| 4190972 | Snow remover | — | 1980-03-04 |