Carthage, Missouri
United States
6
2014-09-25
The entities that hold a legal rights for patent applications filed by inventor Haffner David S.:
David S. Haffner from Carthage, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Spring core having border wire with generally rectangular cross-section
#2 | 2013-08-01Spring core having border wire with generally rectangular cross-section
#3 | 2012-05-10Bedding foundation having nestably stackable spring assembly welded to border wire with generally rectangular cross-section
#4 | 2011-12-29Spring core having border wire with generally rectangular cross-section
#5 | 2011-12-29Bedding foundation having border wire with generally rectangular cross-section
#6 | 2007-03-29Product display and fronting assembly
358639 ⎘