Toronto
Canada
3
2011-03-03
The entities that hold a legal rights for patent applications filed by inventor Johnson Michael:
Michael Johnson from Toronto, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Apparatus for opening and closing overhead sectional doors
#2 | 2005-05-12Method for controlling the speed of closing of a movable element
#3 | 2005-04-26Method and apparatus for controlling the speed of closing of a movable element
3347407 ⎘