Inventor · disambiguated record

John Joseph Sopkowiak

Also filed as: SOPKOWIAK JOHN · SOPKOWIAK JOHN JOSEPH

2 granted patents·27 citations·filing 2011–2015

61Inventor score

Technology areasE05B E05C

Files withMARVIN LUMBER & CEDAR CO1 SOPKOWIAK JOHN1

Top patents by PatentIndex Score

2 records

0190US9404288B2Window opening control device for horizontal and vertical sliding windowsMARVIN LUMBER & CEDAR CO·Filed 2015·Granted Aug 2, 2016·15 cites·27 claims
0276US8776440B2Sash limiter apparatus and methodSOPKOWIAK JOHN·Filed 2011·Granted Jul 15, 2014·12 cites·27 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →