Granted Patent
Utility
US 6,000,879 · App. 09/048,799
Gasoline-powered tamper
Inventor:
Martin Greppmair
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Mar 26, 1998
Inventor
Martin Greppmair
Assignee (at issue)
Wacker-Werke GmbH & Co. KG
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.