Hamilton; Richard J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hamilton; Richard J..The latest application filed is for "protective respirators and a method of making a protective respirator".
- Hamilton; Richard J. - Jenkintown PA
- Hamilton; Richard J. - West Chicago IL
| Patent | Date |
|---|---|
| Protective Respirators And A Method Of Making A Protective Respirator App 20210307422 - Dion; Genevieve ; et al. | 2021-10-07 |
| Control of mucus membrane bleeding with cold plasma Grant 8,388,618 - Fridman , et al. March 5, 2 | 2013-03-05 |
| Quick disconnect nozzle assembly Grant D439,636 - Hamilton March 27, 2 | 2001-03-27 |
| Nozzle with quick disconnect spray tip Grant 5,727,739 - Hamilton March 17, 1 | 1998-03-17 |
| Solenoid operated liquid spray gun Grant 5,294,057 - Hamilton March 15, 1 | 1994-03-15 |
| Quick disconnect nozzle assembly Grant 5,190,224 - Hamilton March 2, 1 | 1993-03-02 |
| Circuit arrangement for ground start coin operated telephones Grant 3,890,468 - Burns , et al. June 17, 1 | 1975-06-17 |
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