Tupman; David E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tupman; David E..The latest application filed is for "enhanced photo-catalytic cells".
- Tupman; David E. - Anna TX
| Patent | Date |
|---|---|
| Enhanced Photo-catalytic Cells App 20190030203 - Warren; Wallace Weston ; et al. | 2019-01-31 |
| Enhanced Photo-catalytic Cells App 20180333512 - Tupman; David E. | 2018-11-22 |
| Enhanced Photo-catalytic Cells App 20170274112 - Warren; Wallace Weston ; et al. | 2017-09-28 |
| Enhanced Photo-catalytic Cells App 20170028093 - Tupman; David E. | 2017-02-02 |
| Enhanced photo-catalytic cells Grant 9,457,122 - Warren , et al. October 4, 2 | 2016-10-04 |
| Enhanced Photo-catalytic Cells App 20140050611 - Warren; Wallace Weston ; et al. | 2014-02-20 |
| Enhanced Photo-catalytic Cells App 20140050610 - Tupman; David E. | 2014-02-20 |
| Enhanced photo-catalytic cells Grant 8,585,980 - Tupman , et al. November 19, 2 | 2013-11-19 |
| Enhanced Photo-catalytic Cells App 20120141320 - Tupman; David E. ; et al. | 2012-06-07 |
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