DH

D. David Hefner

CS Crown Products & Services: 2 patents #7 of 10Top 70%
Overall (All Time): #1,979,004 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9624050 System, apparatus and method for preparing materials transported in open top conveyance Gregg Simmons, Brian Joseph Deah, Daniel Raymond Deah 2017-04-18
9382080 System, apparatus and method for preparing materials transported in open top conveyance Gregg Simmons, Brian Joseph Deah, Daniel Raymond Deah 2016-07-05