Barker Manufacturing Co., Inc.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barker Manufacturing Co., Inc..The latest application filed is for "portable holding tank".
- Barker Manufacturing Co., Inc. - Battle Creek MI
| Patent | Date |
|---|---|
| Portable holding tank Grant 6,129,117 - Eriksson October 10, 2 | 2000-10-10 |
| Recreational vehicle electrically operated leveler and stabilizers Grant 5,826,889 - Eden October 27, 1 | 1998-10-27 |
| Portable tank with extending handle Grant 5,346,245 - Budrow , et al. September 13, 1 | 1994-09-13 |
| Rack and gear modular room extender Grant 5,333,420 - Eden August 2, 1 | 1994-08-02 |
| Elevatable And Foldable Antenna Grant 3,665,477 - Budrow , et al. May 23, 1 | 1972-05-23 |
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