Granted Patent
Utility
US 6,796,432 · App. 09/817,679
Method for reblending sand
Inventors:
Trenton L. Soldwish-Zoole, Franklin E. Squires
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Mar 26, 2001
Inventors
Trenton L. Soldwish-Zoole
Franklin E. Squires
Assignee (at issue)
HGH Associates, Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.