Zwink; Denis R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Zwink; Denis R..The latest application filed is for "hospital bed and mattress having a retractable foot section".
- Zwink; Denis R. - Batesville IN
| Patent | Date |
|---|---|
| Hospital bed and mattress having a retractable foot section Grant 7,523,515 - Allen , et al. April 28, 2 | 2009-04-28 |
| Hospital bed and mattress having a retractable foot section Grant 7,000,272 - Allen , et al. February 21, 2 | 2006-02-21 |
| Hospital bed and matress having a retractable foot section Grant 6,684,427 - Allen , et al. February 3, 2 | 2004-02-03 |
| Hospital bed and mattress having a retracting foot section Grant 6,212,714 - Allen , et al. April 10, 2 | 2001-04-10 |
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