SIGMA BLEND
USPTO Trademark Record · Serial No. 74197803
Trademark details
It was initially claimed by SIGMA-ALDRICH CO. on 19910826.
That brand applies to the following goods and services:chemical preparations; namely, collagenases, that are purified, standardized and blended; and/or chemical preparations; namely, enzymes for use in cell isolation research.
Currently that trademark is represented by trademark attorney(s): DONALD G LEAVITT.
You can learn more about that trademark on the USPTO website: View the USPTO record
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