Granted Patent
Utility
US 6,263,750 · App. 09/402,173
Device for generating directed vibrations
Inventors:
Thomas Maurer, Edith Kramp, Johann Breitenbach, Thomas Bromberger, Alexander Mark, Georg Sick
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Sep 28, 1999
Inventors
Thomas Maurer
Edith Kramp
Johann Breitenbach
Thomas Bromberger
Alexander Mark
Georg Sick
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.