Granted Patent
Utility
US 5,852,847 · App. 08/805,076
High-speed pick-up head for a street sweeper
Inventors:
Christopher R. Weiss, Robert A. Jajko, Larry D. Granderson, Sr., Norman L. Todd
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Feb 21, 1997
Inventors
Christopher R. Weiss
Robert A. Jajko
Larry D. Granderson, Sr.
Norman L. Todd
Assignee (at issue)
Elgin Sweeper Co.
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.