Tubman, Louis
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tubman, Louis.The latest application filed is for "multipurpose brush with ergonomic handle".
- Tubman, Louis - Philadelphia PA
| Patent | Date |
|---|---|
| Multipurpose brush with ergonomic handle App 20050188486 - Tubman, Louis | 2005-09-01 |
| Multipurpose brush Grant 6,845,539 - Tubman January 25, 2 | 2005-01-25 |
| Multipurpose brush App 20040117933 - Tubman, Louis | 2004-06-24 |
| Brush with rotary head Grant 6,182,322 - Tubman February 6, 2 | 2001-02-06 |
| Sound recording Grant 5,820,384 - Tubman , et al. * October 13, 1 | 1998-10-13 |
| Acoustical prompt recording system and method Grant 5,569,038 - Tubman , et al. October 29, 1 | 1996-10-29 |
| Brush Grant D357,586 - Tubman April 25, 1 | 1995-04-25 |
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