Mark Johnson

City:

Sandy, Utah

Country:

United States

Published Applications:

Last publication date:

2010-09-14

Top Assignees for applications by Mark Johnson

The entities that hold a legal rights for patent applications filed by inventor Johnson Mark:

Mark Johnson from Sandy, US has applied for patents for these inventions. The list has both pending applications and granted patents:

Underwater breathing devices and methods

Exhalation valve for use in a breathing device

Check valve

Snorkel clip

InventorID:

4632894 ⎘