Hsieh Helen

USPTO Trademark & Patent Filings

Trademark applications and grants for Hsieh Helen. Hsieh Helen has 1 trademark applications. The latest application filed is for "EXPRESS-O"

Company Profile

Hsieh, Helen
helen hsieh
Hsieh; Helen - Singapore SG
Hsieh; Helen - Durham NC

Trademarks Patents

Patent Applications

Patent Application	Date
ENGINEERED BIOCATALYSTS AND METHODS FOR SYNTHESIZING CHIRAL AMINES 20210269777 - 17/317231 Tang; Weng Lin ; et al.	2021-09-02
BIOCATALYSTS AND METHODS FOR THE SYNTHESIS OF SUBSTITUTED LACTAMS 20210054352 - 17/087484 Cabirol; Fabien Louis ; et al.	2021-02-25
BIOCATALYSTS AND METHODS FOR THE SYNTHESIS OF SUBSTITUTED LACTAMS 20200231945 - Cabirol; Fabien Louis ; et al.	2020-07-23
ENGINEERED BIOCATALYSTS AND METHODS FOR SYNTHESIZING CHIRAL AMINES 20200109379 - 16/701389 Tang; Weng Lin ; et al.	2020-04-09
ENGINEERED BIOCATALYSTS AND METHODS FOR SYNTHESIZING CHIRAL AMINES 20180148698 - 15/869455 Tang; Weng Lin ; et al.	2018-05-31
Engineered biocatalysts and methods for synthesizing chiral amines 11,034,939 - 16/701,389 Tang , et al. June 15, 2	2021-06-15
Assays using surface-enhanced raman spectroscopy (SERS)-active particles 11,016,095 - 15/712,972 Weidemaier , et al. May 25, 2	2021-05-25
Biocatalysts and methods for the synthesis of substituted lactams 10,858,635 - 16/825,641 Cabirol , et al. December 8, 2	2020-12-08
Biocatalysts and methods for the synthesis of substituted lactams 10,633,640 - 15/449,677 Cabirol , et al.	2020-04-28
Engineered biocatalysts and methods for synthesizing chiral amines 10,526,587 - 15/869,455 Tang , et al. J	2020-01-07

Patent Grants & Applications

Trademark Applications

Mark Image Registration \| Serial	Trademark Application Date
"EXPRESS-O" 3091406 78485971	EXPRESS-O 2004-09-20

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