Patents per Year
Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7681337 | Plow with blade wing | — | 2010-03-23 | |
| 6233605 | Low-bandwidth remote conferencing | — | 2001-05-15 | $13,614,000 |
| 6223209 | Distributed world wide web servers | — | 2001-04-24 | $10,214,000 |
| 6091805 | Computerized voice response system | — | 2000-07-18 | $9,229,000 |
| 5818937 | Telephone tone security device | — | 1998-10-06 | $5,369,000 |
| RE35700 | Removable snowplow assembly with pivotable lift stand | James R. Doornek, Thomas Fechter | 1997-12-30 | |
| 5125174 | Removable snowflow with a pivotable lift stand | James P. Doornek, Thomas Fechter | 1992-06-30 | |
| 4999935 | Hydraulic system and apparatus for use with vehicle accessory units | Edward A. Simi | 1991-03-19 | |
| 4481988 | Log splitter | James R. Doornek | 1984-11-13 | |
| 4304056 | Snow plow mounting assembly | Edward A. Simi | 1981-12-08 | |
| 4304057 | Snow plow assembly including linear actuator | Edward A. Simi | 1981-12-08 | |
| 4206602 | Single lever hydraulic system control mechanism | Edward A. Simi, Richard R. Miller | 1980-06-10 |