Inventor

DUFFY BRIAN E

US3 patents

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

BMIC LLC

2 patents

US12428843B2Sep 30, 2025

Composite membrane for building applications

BMIC LLC0 citations59

US11767673B2Sep 26, 2023

Composite membrane for building applications

BMIC LLC1 citations59

GAF BUILDING MATERIALS

1 patent

US6536498B1Mar 25, 2003

Welding apparatus and method for joining roofing materials

GAF BUILDING MATERIALS32 citations89