Granted Patent
Utility
US 5,707,562 · App. 08/642,504
Turbo aerator
Inventor:
Rudolf R. Karliner
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: May 3, 1996
Inventor
Rudolf R. Karliner
Assignee (at issue)
Aeration Industries International, LLC.
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.