IP Library Granted Patent US 6,808,384
Granted Patent Utility
US 6,808,384 · App. 09/913,216

Internal vibration device with variable vibration amplitude

Inventors: Peter Jordan, Franz Beierlein, Johann Schindlbeck
Patented Case View Patent ↗
Granted: Oct 26, 2004 Filed: Jan 28, 2002
Inventors
Peter Jordan
Franz Beierlein
Johann Schindlbeck
Assignee (at issue)
Wacker Construction Equipment AG

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,808,384
App. No.
09/913,216
Filed
2002-01-28
Granted
2004-10-26
Kind
B1