Johnston; Ronald J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnston; Ronald J..The latest application filed is for "rapid-connect coupler with a product flow restrictor".
- Johnston; Ronald J. - Wellington OH
- Johnston; Ronald J. - Welington OH
- Johnston; Ronald J. - Georgetown CA
| Patent | Date |
|---|---|
| Rapid-connect coupler with a product flow restrictor Grant 10,400,913 - Konishi , et al. Sep | 2019-09-03 |
| Rapid-connect Coupler With A Product Flow Restrictor App 20160312915 - Konishi; Howard M. ; et al. | 2016-10-27 |
| Switchover valve Grant 8,272,393 - Johnston September 25, 2 | 2012-09-25 |
| Switchover Valve App 20090107560 - Johnston; Ronald J. | 2009-04-30 |
| Regulator and fill valve Grant 5,520,214 - Mack , et al. May 28, 1 | 1996-05-28 |
| Bolted aluminum shoring frame Grant 4,841,708 - Johnston June 27, 1 | 1989-06-27 |
| Clamp for shoring and scaffolding frames Grant 4,566,819 - Johnston January 28, 1 | 1986-01-28 |
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