Inventor

LEWANDOWSKI LAURAND H

US5 patents

⚠️ This page may combine multiple inventors who share the name “LEWANDOWSKI LAURAND H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OWENS CORNING INTELLECTUAL CAPITAL LLC

4 patents

US10336906B2Jul 2, 2019

Use of an ester additive and paving grade asphalt in built up roofing asphalt composition manufacture

OWENS CORNING INTELLECTUAL CAPITAL LLC10 citations81

US10696868B2Jun 30, 2020

Use of an additive and paving grade asphalt in shingle coating asphalt composition manufacture

OWENS CORNING INTELLECTUAL CAPITAL LLC8 citations79

US9688882B2Jun 27, 2017

Use of an additive and paving grade asphalt in shingle coating asphalt composition manufacture

OWENS CORNING INTELLECTUAL CAPITAL LLC9 citations79

US12091859B2Sep 17, 2024

Roofing materials including a parting agent layer

OWENS CORNING INTELLECTUAL CAPITAL LLC3 citations66

HERITAGE ENV SERVICES LLC

1 patent

US10669203B2Jun 2, 2020

System and method for manufacturing asphalt products with recycled asphalt shingles

HERITAGE ENV SERVICES LLC8 citations74