Lettkeman; Dennis
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lettkeman; Dennis.The latest application filed is for "pourable compositions".
- Lettkeman; Dennis - Watonga OK
| Patent | Date |
|---|---|
| Pourable compositions Grant 10,221,100 - Intorcia , et al. | 2019-03-05 |
| Pourable Compositions App 20170349492 - Intorcia; Michael ; et al. | 2017-12-07 |
| Gypsum mixtures for forming solids Grant 7,754,007 - Lettkeman , et al. July 13, 2 | 2010-07-13 |
| Gypsum Mixtures For Forming Solids App 20090101045 - Lettkeman; Dennis ; et al. | 2009-04-23 |
| Continuous slurry dispenser apparatus Grant 7,516,909 - Kaligian, II , et al. April 14, 2 | 2009-04-14 |
| Continuous slurry dispenser apparatus App 20050127208 - Kaligian, Raymond A. II ; et al. | 2005-06-16 |
| Continuous slurry dispenser apparatus App 20020117559 - Kaligian, Raymond A. II ; et al. | 2002-08-29 |
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