Doughty; Douglas Allen
Patent Applications and Registrations
Patent applications and USPTO patent grants for Doughty; Douglas Allen.The latest application filed is for "mn2+ activated green emitting sral12 o19 luminescent material".
- Doughty; Douglas Allen - Goffstown NH
- Doughty; Douglas Allen - Charlton NY
| Patent | Date |
|---|---|
| Device with Mn2+ activated green emitting SrAl12O19 luminescent material Grant 6,774,556 - Srivastava , et al. August 10, 2 | 2004-08-10 |
| Mn2+ activated green emitting SrAl12O19 luminescent material Grant 6,302,959 - Srivastava , et al. October 16, 2 | 2001-10-16 |
| Mn2+ activated green emitting SrAl12 O19 luminescent material App 20010020696 - Srivastava, Alok Mani ; et al. | 2001-09-13 |
| Mn2+ activated green emitting SrAI12O19 luminescent material App 20010019241 - Srivastava, Alok Mani ; et al. | 2001-09-06 |
| Mn2+ activated green emitting SrAL12O19 luminiscent material Grant 6,210,605 - Srivastava , et al. April 3, 2 | 2001-04-03 |
| Light-emitting diode white light source Grant 5,851,063 - Doughty , et al. December 22, 1 | 1998-12-22 |
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