Granted Patent
Utility
US 6,244,781 · App. 09/538,159
Apparatus for protecting structural supports
Inventor:
Joseph Roller
Patented Case
View Patent ↗
Granted: Jun 12, 2001
Filed: Mar 29, 2000
Inventor
Joseph Roller
Assignee (at issue)
Hero Products, 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.