Granted Patent
Utility
US 4,723,607 · App. 06/848,121
Turf aerating apparatus and aeration tine therefor
Inventor:
Loren F. Hansen
Patented Case
View Patent ↗
Granted: Feb 9, 1988
Filed: Apr 4, 1986
Inventor
Loren F. Hansen
Assignee (at issue)
Outboard Marine 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.