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Kenneth D. Knapp — 1 Patent in 2021

CECertainteed: 1 patents #19 of 62Top 35%

Norristown, PA: #12 of 34 inventorsTop 40%

Pennsylvania: #2,483 of 7,685 inventorsTop 35%

Overall (2021): #376,840 of 548,734Top 70%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11136755	Vapor retarding building materials and methods for making them	Timothy Jerome Coogan, Jeffrey H. Peet, Valerio Massara	2021-10-05