Yeh Michael H
USPTO Trademark & Patent Filings
Trademark applications and grants for Yeh Michael H. Yeh Michael H has 1 trademark applications. The latest application filed is for "RAPIDSCREEN"
- Company Aliases
- Yeh, Michael H.
- h michael yeh
- Yeh; Michael H. - Hamilton NJ
- Yeh; Michael H. - Louisville KY
Trademarks Patents
| Patent Application | Date |
|---|---|
| Compositions including cationic polymers and anionic xanthan gum 5,552,462 - 08/156,189 Yeh September 3, 1 | 1996-09-03 |
| Guar gum composition and process for making it 5,489,674 - 08/257,609 Yeh February 6, 1 | 1996-02-06 |
| Modified hydrophobic cationic thickening compositions 5,473,059 - 08/323,299 Yeh December 5, 1 | 1995-12-05 |
| Modified hydrophobic cationic thickening compositions 5,387,675 - 08/029,208 Yeh February 7, 1 | 1995-02-07 |
| Process for derivatizing polygalactomannan using water soluble aluminum salts in the process 4,959,464 - 07/268,287 Yeh September 25, 1 | 1990-09-25 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"RAPIDSCREEN" 75308175 |
RAPIDSCREEN 1997-06-13 |
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