Granted Patent
Utility
US 5,626,328 · App. 08/346,768
Flat lifting device
Inventor:
Johannes Schneider
Patented Case
View Patent ↗
Granted: May 6, 1997
Filed: Nov 30, 1994
Inventor
Johannes Schneider
Assignee (at issue)
Dewert Antriebs- und Systemtechnik GmbH
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.