Hayes; Joseph Francis
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hayes; Joseph Francis.The latest application filed is for "acoustic diffusion generator".
- Hayes; Joseph Francis - Birkdale AU
- Hayes; Joseph Francis - Mayfield N.S.W. 2304 AU
| Patent | Date |
|---|---|
| Acoustic Diffusion Generator App 20170264998 - Hayes; Joseph Francis | 2017-09-14 |
| Transducer system driven by a signal time delay Grant 9,641,923 - Hayes May 2, 2 | 2017-05-02 |
| Acoustic Diffusion Generator With Wells And Fluted Fins App 20160029108 - Hayes; Joseph Francis | 2016-01-28 |
| Acoustic diffusion generator with wells and fluted fins Grant 9,124,968 - Hayes September 1, 2 | 2015-09-01 |
| Acoustic Diffusion Generator App 20130208925 - Hayes; Joseph Francis | 2013-08-15 |
| Acoustic reflector Grant 5,764,782 - Hayes June 9, 1 | 1998-06-09 |
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