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Patent applications and USPTO patent grants for Hoffman; Ronald R..The latest application filed is for "play yard with height adjustable bassinet".
Patent | Date |
---|---|
Play yard with height adjustable bassinet Grant 7,818,832 - Hartenstine , et al. October 26, 2 | 2010-10-26 |
Play Yard with Height Adjustable Bassinet App 20090056013 - Hartenstine; Curtis M. ;   et al. | 2009-03-05 |
Hook-on type baby seat Grant 4,568,120 - Hoffman February 4, 1 | 1986-02-04 |
Baby walker Grant 4,433,869 - Payne, Jr. , et al. February 28, 1 | 1984-02-28 |
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