Irgens; Christopher R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Irgens; Christopher R..The latest application filed is for "telescoping downdraft ventilator alignment assembly".
- Irgens; Christopher R. - Brookfield WI
- Irgens; Christopher R. - Elm Grove WI
| Patent | Date |
|---|---|
| Telescoping downdraft ventilator alignment assembly Grant 10,119,707 - Punzel , et al. November 6, 2 | 2018-11-06 |
| Cooktop with downdraft ventilator Grant 9,897,329 - Sosso , et al. February 20, 2 | 2018-02-20 |
| Telescoping Downdraft Ventilator Alignment Assembly App 20150198337 - Punzel; William H. ; et al. | 2015-07-16 |
| Cooktop with Downdraft Ventilator App 20130327315 - Sosso; Peter F. ; et al. | 2013-12-12 |
| Trailer hitch ball Grant 7,273,223 - Irgens , et al. September 25, 2 | 2007-09-25 |
| Trailer hitch lock App 20050104327 - Irgens, Christopher R. ; et al. | 2005-05-19 |
| Threaded member lock Grant 6,865,914 - Irgens , et al. March 15, 2 | 2005-03-15 |
| Pneumatic tool lock Grant 6,854,302 - Zapushek , et al. February 15, 2 | 2005-02-15 |
| Hitch ball lock Grant 6,846,002 - Irgens , et al. January 25, 2 | 2005-01-25 |
| Hitch ball lock App 20030020256 - Irgens, Christopher R. ; et al. | 2003-01-30 |
| Threaded member lock App 20030019258 - Irgens, Christopher R. ; et al. | 2003-01-30 |
| Pneumatic tool lock App 20030015007 - Zapushek, John ; et al. | 2003-01-23 |
| Method of controlling the magnetic gap length and the initial stroke length of a pressure surge fuel pump Grant 5,992,016 - Irgens November 30, 1 | 1999-11-30 |
| Method for forming ported cylinder sleeve liner foam pattern Grant 4,986,942 - Irgens , et al. January 22, 1 | 1991-01-22 |
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