Seattle, Washington
United States
3
2013-02-14
The entities that hold a legal rights for patent applications filed by inventor Watson James:
James Watson from Seattle, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Systems and methods for maintaining sheave grooves
#2 | 2012-08-23Systems and methods for maintaining sheave grooves
#3 | 2012-08-16Elevator life safety gate
88674 ⎘