Granted Patent
Utility
US 5,224,967 · App. 07/929,153
Protective wrap for preventing damage to girdled trees and other plants and method
Inventors:
David Rolf, Michael F. Shelton
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Aug 12, 1992
Inventors
David Rolf
Michael F. Shelton
Assignee (at issue)
LecTec 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.