D. David Hefner

City:

Morgantown, West Virginia

Country:

United States

Published Applications:

Last publication date:

2016-09-29

Top Assignees for applications by D. David Hefner

The entities that hold a legal rights for patent applications filed by inventor Hefner D. David:

D. David Hefner from Morgantown, US has applied for patents for these inventions. The list has both pending applications and granted patents:

System, apparatus and method for preparing materials transported in open top conveyance

System, apparatus and method for preparing materials transported in open top conveyance

InventorID:

742269 ⎘