Granted Patent
Utility
US 5,622,136 · App. 08/422,154
Boat canopy mounting system
Inventors:
Alan P. Zirkelbach, Albert W. Zirkelbach, Donald A. Zirkelbach
Patented Case
View Patent ↗
Granted: Apr 22, 1997
Filed: Apr 14, 1995
Inventors
Alan P. Zirkelbach
Albert W. Zirkelbach
Donald A. Zirkelbach
Assignee (at issue)
Aldon Industries, 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.