Inventor
YAKOWENKO JOHN E
US5 patents
⚠️ This page may combine multiple inventors who share the name “YAKOWENKO JOHN E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NAT GYPSUM PROPERTIES LLC
4 patentsUS9512613B2Dec 6, 2016
Sound damping wallboard and method of forming a sound damping wallboard
NAT GYPSUM PROPERTIES LLC15 citations90
US9909304B2Mar 6, 2018
Sound damping wallboard and method of forming a sound damping wallboard
NAT GYPSUM PROPERTIES LLC8 citations80
US11519167B2Dec 6, 2022
Sound damping wallboard and method of forming a sound damping wallboard
NAT GYPSUM PROPERTIES LLC2 citations70
US10519650B2Dec 31, 2019
Sound damping wallboard and method of forming a sound damping wallboard
NAT GYPSUM PROPERTIES LLC3 citations70