Granted Patent
Utility
US 5,340,145 · App. 07/922,106
Collapsible trailer
Inventors:
Donald Leib, Kenneth R. Thurm
Patented Case
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Granted: Aug 23, 1994
Filed: Jul 29, 1992
Inventors
Donald Leib
Kenneth R. Thurm
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.