Ludwig; Craig S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ludwig; Craig S..The latest application filed is for "staged transaction token for merchant rating".
- Ludwig; Craig S. - Tempe AZ
- Ludwig; Craig S. - White Salmon WA
- Ludwig; Craig S. - Portland OR
| Patent | Date |
|---|---|
| Staged Transaction Token For Merchant Rating App 20100276484 - Banerjee; Ashim ; et al. | 2010-11-04 |
| Ceiling module perimeter seal Grant 6,351,920 - Hopkins , et al. March 5, 2 | 2002-03-05 |
| Clean room ceiling structure light fixture wireway Grant 5,794,397 - Ludwig August 18, 1 | 1998-08-18 |
| Light and filter support structure Grant 5,613,759 - Ludwig , et al. March 25, 1 | 1997-03-25 |
| Clean room ventilation system Grant 5,454,756 - Ludwig October 3, 1 | 1995-10-03 |
| Directional air diffuser panel for clean room ventilation system Grant 5,192,348 - Ludwig March 9, 1 | 1993-03-09 |
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