Granted Patent
Utility
US 6,499,679 · App. 09/440,603
Granular spreader and product container
Inventors:
Keith F. Woodruff, John Thomas
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Nov 15, 1999
Inventors
Keith F. Woodruff
John Thomas
Assignee (at issue)
BASF SE
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.