Jonathan D. Marshall

City:

Provo, Utah

Country:

United States

Published Applications:

Last publication date:

2020-08-27

Top Assignees for applications by Jonathan D. Marshall

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

Jonathan D. Marshall from Provo, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Downhole drilling apparatus with rotatable cutting element

Pilot controlled actuation valve system

InventorID:

2655502 ⎘