🔗 Permalink

Inventor profile of:

Roger W. Knowles

City:

Euless, Texas

Country:

United States

Published Applications:

1

Last publication date:

2017-07-04

Recent patent applications by Knowles Roger W.

Roger W. Knowles from Euless, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2017-07-04

US15201008

Fixed constructions

Manhole cover sealing device

InventorID:

7177910 ⎘