William David Henderson

City:

Grayson, Texas

Country:

United States

Published Applications:

Last publication date:

2019-11-14

Top Assignees for applications by William David Henderson

The entities that hold a legal rights for patent applications filed by inventor Henderson William David:

HALLIBURTON ENERGY SERVICES, INC. 1 Houston, TX United States

Recent patent applications by Henderson William David

William David Henderson from Grayson, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2019-11-14

US20190345792A1

Fixed constructions

Eccentric seat for flapper valve

InventorID:

3031236 ⎘