Schaefer; Douglas G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schaefer; Douglas G..The latest application filed is for "product delivery and discharge system for a vending machine".
- Schaefer; Douglas G. - Columbus OH US
| Patent | Date |
|---|---|
| Product delivery and discharge system for a vending machine Grant 8,469,230 - Perkins , et al. June 25, 2 | 2013-06-25 |
| Product delivery and discharge system for a vending machine App 20080179343 - Perkins; Jay F. ; et al. | 2008-07-31 |
| Can and bottle dispenser Grant 7,152,757 - Huffer , et al. December 26, 2 | 2006-12-26 |
| Tank for a floor care appliance Grant D523,600 - Diamond , et al. June 20, 2 | 2006-06-20 |
| Tank for a floor care appliance Grant D522,701 - Scheifele , et al. June 6, 2 | 2006-06-06 |
| Tool caddy Grant D520,693 - Frederick , et al. May 9, 2 | 2006-05-09 |
| Can and bottle dispenser App 20050167440 - Huffer, Doug ; et al. | 2005-08-04 |
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