Granted Patent
Utility
US 6,132,841 · App. 09/016,473
Wiping device
Inventors:
Lee F. Guthrie, Paul E. Thomas
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jan 30, 1998
Inventors
Lee F. Guthrie
Paul E. Thomas
Assignee (at issue)
Tredegar Corporation
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.