Granted Patent
Utility
US 5,934,825 · App. 08/841,936
Vibratory plate machine
Inventor:
David J. Waldenberger
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Apr 8, 1997
Inventor
David J. Waldenberger
Assignee (at issue)
Wacker 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.