Mark D. Johnson

City:

Hubertus, Wisconsin

Country:

United States

Published Applications:

Last publication date:

2011-09-01

Top Assignees for applications by Mark D. Johnson

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

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

Combination locks with improved code-changing features

Lockout device

InventorID:

3565179 ⎘