Cornelius, North Carolina
United States
5
2009-11-12
The entities that hold a legal rights for patent applications filed by inventor Helda Eric John:
Eric John Helda from Cornelius, US has applied for patents for these inventions. The list has both pending applications and granted patents:
MAGNET ASSEMBLY
#2 | 2009-04-16Magnet assembly
#3 | 2007-03-01Level
#4 | 2006-06-29Magnet assembly
#5 | 2005-11-17Spirit level with integrated inclination adjustment mechanism
3922031 ⎘