Dublin, Ohio
United States
3
2020-04-09
The entities that hold a legal rights for patent applications filed by inventor Workman David:
David Workman from Dublin, US has applied for patents for these inventions. The list has both pending applications and granted patents:
HYBRID ULTRASONIC AND RESISTANCE SPOT WELDING SYSTEM
#2 | 2009-10-08METHOD OF CREATING A CLAD STRUCTURE UTILIZING A MOVING RESISTANCE ENERGY SOURCE
#3 | 2006-09-26Tool with inserted blade members
2694826 ⎘