Granted Patent
Utility
US 5,933,912 · App. 08/925,892
Wet extractor system
Inventors:
Richard Karr, David Erickson, Kevin Genge, William Hanold, Gregory W. Luebbering, William Phelan
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Sep 8, 1997
Inventors
Richard Karr
David Erickson
Kevin Genge
William Hanold
Gregory W. Luebbering
William Phelan
Assignee (at issue)
White Consolidated Industries, Inc.
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.