Inventor
HUMPHREYS DAVID
US6 patents
⚠️ This page may combine multiple inventors who share the name “HUMPHREYS DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAMKO BUILDING PRODUCTS INC
4 patentsUS10428524B2Oct 1, 2019
Lightweight roofing shingle and method for making same
TAMKO BUILDING PRODUCTS INC8 citations79
US10113314B2Oct 30, 2018
Liquid release agent and associated methods of application
TAMKO BUILDING PRODUCTS INC5 citations79
US10697179B2Jun 30, 2020
Liquid release agent and associated methods of application
TAMKO BUILDING PRODUCTS INC5 citations68
US10914073B2Feb 9, 2021
Curtain die for applying a liquid release agent to a shingle substrate
TAMKO BUILDING PRODUCTS INC0 citations52