Granted Patent
Utility
US 6,215,104 · App. 09/101,506
Soldering iron
Inventors:
Gerhard Kurpiela, Jurgen Staiger, Ralf Zerweck
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Sep 17, 1998
Inventors
Gerhard Kurpiela
Jurgen Staiger
Ralf Zerweck
Assignee (at issue)
Cooper Tools 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.