Granted Patent
Utility
US 5,643,398 · App. 08/440,701
Log tail sealer
Inventor:
Eric J. Lumberg
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: May 15, 1995
Inventor
Eric J. Lumberg
Assignee (at issue)
C.G. Bretting Manufacturing Co., 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.