Riddle; Kenneth R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Riddle; Kenneth R..The latest application filed is for "polyol premixes, polyurethane foam-forming compositions and closed-celled rigid polyurethane foams formed therefrom".
- Riddle; Kenneth R. - Ambridge PA
| Patent | Date |
|---|---|
| Polyol Premixes, Polyurethane Foam-forming Compositions And Closed-celled Rigid Polyurethane Foams Formed Therefrom App 20210102041 - Harasin; Stephen J. ; et al. | 2021-04-08 |
| Coated particles, methods for their manufacture and for their use as proppants Grant 10,851,291 - Harasin , et al. December 1, 2 | 2020-12-01 |
| Coated Particles, Methods For Their Manufacture And For Their Use As Proppants App 20200181483 - Harasin; Stephen J. ; et al. | 2020-06-11 |
| Coated particles, methods for their manufacture and for their use as proppants Grant 10,647,911 - Harasin , et al. | 2020-05-12 |
| Coated Particles, Methods For Their Manufacture And For Their Use As Proppants App 20190330521 - Harasin; Stephen J. ; et al. | 2019-10-31 |
| Coated particles, methods for their manufacture and for their use as proppants Grant 10,385,261 - Harasin , et al. A | 2019-08-20 |
| Coated Particles, Methods For Their Manufacture And For Their Use As Proppants App 20190062622 - Harasin; Stephen J. ; et al. | 2019-02-28 |
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