Inventor · disambiguated record
Nancyanne Gruchacz
Also filed as: GRUCHACZ NANCYANNE
3 granted patents·419 citations·filing 1998–2014
76Inventor score
Top patents by PatentIndex Score
3 records- 0196US6187444B1Photochromic polyurethane coating and articles having such a coatingPPG IND OHIO INC·Filed 1998·Granted Feb 13, 2001·357 cites·38 claims
- 0291US7452611B2Photochromic optical articleTRANSITIONS OPTICAL INC·Filed 2002·Granted Nov 18, 2008·60 cites·23 claims
- 0378US10281628B2Method of preparing a photochromic optical article using an organic solvent pretreatment and photochromic coatingTRANSITIONS OPTICAL INC·Filed 2014·Granted May 7, 2019·2 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →