Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9897329 | Cooktop with downdraft ventilator | Peter F. Sosso, Christopher R. Irgens, Gerhart S. Langenbach | 2018-02-20 |
| 9777930 | Downdraft that is telescoping | Gerhart S. Langenbach, William H. Punzel, Conrad G. Bohlman | 2017-10-03 |
| 8020549 | Self-aligning telescoping downdraft ventilator assembly | Richard C. Hochschild, Jr., Gene Goetz | 2011-09-20 |
| 7117619 | Banner scoring device | — | 2006-10-10 |
| 4991775 | Quick connect fountain | Alvin J. Huber | 1991-02-12 |
| 4963116 | Race water track toy | — | 1990-10-16 |