Lee; Charles F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lee; Charles F..The latest application filed is for "timing based method and apparatus for monitoring drinking water purity and encouraging routine testing of drinking water purity".
- Lee; Charles F. - Marina del Rey CA
- Lee; Charles F. - Venice CA
| Patent | Date |
|---|---|
| Portable water tester with cap Grant D608,670 - Samborn , et al. January 26, 2 | 2010-01-26 |
| Flow switch Grant D604,805 - Samborn , et al. November 24, 2 | 2009-11-24 |
| Portable water tester with cap Grant D602,384 - Samborn , et al. October 20, 2 | 2009-10-20 |
| Method And Apparatus For Routine Liquid Testing For Total Dissolved Solids App 20090242493 - Samborn; Robert ; et al. | 2009-10-01 |
| Timing Based Method And Apparatus For Monitoring Drinking Water Purity And Encouraging Routine Testing Of Drinking Water Purity App 20090246083 - Samborn; Robert ; et al. | 2009-10-01 |
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