Forman, North Dakota
United States
3
2005-11-17
The entities that hold a legal rights for patent applications filed by inventor Frederick Dan:
Dan Frederick from Forman, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Collapsible track undercarriage for installation and tensioning
#2 | 2005-05-26Drive track support with vibration isolation
#3 | 2005-02-17Track with offset drive lugs and drive wheel therefore
4788869 ⎘