Dunn; Richard M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dunn; Richard M..The latest application filed is for "irrigation sprinkler with removably mounted sod cup".
- Dunn; Richard M. - Carlsbad CA
- Dunn; Richard M. - Encinitas CA
| Patent | Date |
|---|---|
| Irrigation sprinkler with removably mounted SOD cup Grant 10,702,883 - Anuskiewicz , et al. | 2020-07-07 |
| Irrigation Sprinkler With Removably Mounted Sod Cup App 20190308214 - Anuskiewicz; Ronald H. ; et al. | 2019-10-10 |
| Valve-in-head irrigation sprinkler with service valve Grant 9,578,817 - Dunn , et al. February 28, 2 | 2017-02-28 |
| Irrigation Sprinkler With Debris Flushing Perforated Riser App 20160325302 - Dunn; Richard M. ; et al. | 2016-11-10 |
| Valve-in-head Irrigation Sprinkler With Service Valve App 20160106047 - Dunn; Richard M. ; et al. | 2016-04-21 |
| Irrigation sprinkler with debris flushing perforated riser Grant 9,302,287 - Dunn , et al. April 5, 2 | 2016-04-05 |
| Valve-in head irrigation sprinkler with service valve Grant 9,169,944 - Dunn , et al. October 27, 2 | 2015-10-27 |
| Dual Trajectory Nozzle For Rotor-type Sprinkler App 20150209815 - Dunn; Richard M. ; et al. | 2015-07-30 |
| Dual trajectory nozzle for rotor-type sprinkler Grant 8,936,205 - Dunn , et al. January 20, 2 | 2015-01-20 |
| Rotary stream sprinkler with adjustable arc orifice plate Grant 8,297,533 - Dunn , et al. October 30, 2 | 2012-10-30 |
| Dual Trajectory Nozzle for Rotor-Type Sprinkler App 20120132727 - Dunn; Richard M. ; et al. | 2012-05-31 |
| Irrigation Sprinkler with Debris Flushing Perforated Riser App 20120024982 - Dunn; Richard M. ; et al. | 2012-02-02 |
| Rotary Stream Sprinkler with Adjustable Arc Orifice Plate App 20110084151 - Dunn; Richard M. ; et al. | 2011-04-14 |
| Sprinkler unit with flow stop Grant 5,762,270 - Kearby , et al. June 9, 1 | 1998-06-09 |
| Swing connector for sprinkler Grant 5,242,112 - Dunn , et al. September 7, 1 | 1993-09-07 |
| SEC | 0001528237 | Dunn Richard M |
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