Hibbing, Minnesota
United States
8
2024-02-22
The entities that hold a legal rights for patent applications filed by inventor Hendrickson David W.:
David W. Hendrickson from Hibbing, US has applied for patents for these inventions. The list has both pending applications and granted patents:
METHOD AND SYSTEM OF REDUCING NON-FERROUS METAL CONTENT OF SCRAP STEEL
#2 | 2022-07-28Method and system of reducing non-ferrous metal content of scrap steel
#3 | 2009-08-06Fines removal apparatus and methods/systems regarding same
#4 | 2009-05-07Road and repair materials including magnetite and methods regarding same
#5 | 2008-12-18Air Pollutant Removal Using Magnetic Sorbent Particles
#6 | 2008-06-19Fines removal apparatus and methods/systems regarding same
#7 | 2006-04-20Fines removal apparatus and methods/systems regarding same
#8 | 2005-03-24Retirement plan contribution system and method
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