Biewald; Karl Fredrick
Patent Applications and Registrations
Patent applications and USPTO patent grants for Biewald; Karl Fredrick.The latest application filed is for "child safe closure for a container".
- Biewald; Karl Fredrick - Minneapolis MN
- Biewald; Karl Fredrick - Brooklyn NY US
| Patent | Date |
|---|---|
| Child safe closure for a container Grant 11,305,922 - Ornduff , et al. April 19, 2 | 2022-04-19 |
| Child Safe Closure for a Container App 20200130903 - Ornduff; Brian ; et al. | 2020-04-30 |
| Holder for stacked beverage cans Grant D744,832 - Biewald December 8, 2 | 2015-12-08 |
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