Ligas; John S.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ligas; John S..The latest application filed is for "optical articles and method of preparing the same".

Company Profile

0.6.7

Ligas; John S. - Palm Harbor FL
Ligas; John S. - Export PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Optical Articles and Method of Preparing the Same App 20220171110 - Kumar; Anil ; et al.	2022-06-02
Optical Article with Gradient Light Influencing Properties and Method of Making the Same App 20220066081 - Miller; Philip ; et al.	2022-03-03
Optical articles and method of preparing the same Grant 11,256,014 - Kumar , et al. February 22, 2	2022-02-22
Optical article with gradient light influencing properties and method of making the same Grant 11,199,653 - Miller , et al. December 14, 2	2021-12-14
Optical Article with Gradient Light Influencing Properties and Method of Making the Same App 20180299600 - Miller; Philip ; et al.	2018-10-18
Optical Articles and Method of Preparing the Same App 20180299599 - Kumar; Anil ; et al.	2018-10-18
Method of Making Optical Articles Having Gradient Light Influencing Properties App 20180290408 - Park; David John ; et al.	2018-10-11
Photochromic article having at least partially crossed polarized photochromic-dichroic and fixed-polarized layers Grant 9,030,740 - DeMeio , et al. May 12, 2	2015-05-12
Photochromic Article Having At Least Partially Crossed Polarized Photochromic-Dichroic And Fixed-Polarized Layers App 20140078583 - DeMeio; Rachel L. ; et al.	2014-03-20
Photochromic compositions of improved fatigue resistance Grant 5,391,327 - Ligas , et al. February 21, 1	1995-02-21
Authenticating method Grant 5,289,547 - Ligas , et al. February 22, 1	1994-02-22

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