Granted Patent
Utility
US 5,718,771 · App. 08/537,191
Retractable traversing trash rake and method for cleaning weedscreen
Inventors:
Wayne G. Cassell, Wesley A. Reetz, Trent T. Gathright
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Sep 29, 1995
Inventors
Wayne G. Cassell
Wesley A. Reetz
Trent T. Gathright
Assignee (at issue)
Brackett Green, U.S.A., 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.