RH

Robert W. Hayes

ET Ets-Lindgren: 1 patents #4 of 9Top 45%
Overall (All Time): #1,467,199 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10279783 Ice-removing device 2019-05-07
7210557 Low profile acoustic flooring John A. Phillips 2007-05-01
6371240 Anechoic chamber John Phillips 2002-04-16