Hardesty; Douglas S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hardesty; Douglas S..The latest application filed is for "dolly".
- Hardesty; Douglas S. - East Lyme CT
- Hardesty; Douglas S. - Barberton OH
- Hardesty; Douglas S. - Akron OH
| Patent | Date |
|---|---|
| Corrugated leaching chamber Grant D630,294 - Hardesty , et al. January 4, 2 | 2011-01-04 |
| Janitorial cart Grant 6,827,357 - Calmeise , et al. December 7, 2 | 2004-12-07 |
| Dolly App 20040090029 - Hardesty, Douglas S. | 2004-05-13 |
| Office cleaning cart Grant D481,188 - DiGiacomo, Jr. , et al. October 21, 2 | 2003-10-21 |
| Cleaning cart App 20030122331 - DiGiacomo, Alex P. JR. ; et al. | 2003-07-03 |
| Janitorial cart Grant D469,235 - Calmeise , et al. January 21, 2 | 2003-01-21 |
| Janitorial cart App 20020109318 - Calmeise, Randall W. ; et al. | 2002-08-15 |
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