Granted Patent
Utility
US 6,477,757 · App. 09/982,958
Pressing tool
Inventor:
Walter Viegener
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Oct 22, 2001
Inventor
Walter Viegener
Assignee (at issue)
Franz Viegener II 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.