Roger H. Silva

City:

Spring, Texas

Country:

United States

Published Applications:

Last publication date:

2018-08-16

Top Assignees for applications by Roger H. Silva

The entities that hold a legal rights for patent applications filed by inventor Silva Roger H.:

Roger H. Silva from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Bi-center bit and drilling tools with enhanced hydraulics

Downhole cutting tool

InventorID:

306526 ⎘