Thompson; Maynard L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Thompson; Maynard L..The latest application filed is for "optical dirty cell sensor for an electronic air cleaner".
- Thompson; Maynard L. - Prior Lake MN
- Thompson; Maynard L. - Scott MN
| Patent | Date |
|---|---|
| Optical dirty cell sensor for an electronic air cleaner Grant 5,679,137 - Erdman , et al. October 21, 1 | 1997-10-21 |
| Method of spacing the folds of a folded filter media Grant 4,547,950 - Thompson October 22, 1 | 1985-10-22 |
| Battery holder for a control device Grant 4,138,531 - Thompson February 6, 1 | 1979-02-06 |
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