Granted Patent
Utility
US 6,286,610 · App. 09/462,851
Percussion and/or drill hammer with oscillation damping
Inventors:
Rudolf Berger, Thomas Maurer
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Jan 13, 2000
Inventors
Rudolf Berger
Thomas Maurer
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.