Granted Patent
Utility
US 6,313,715 · App. 09/436,478
Saw duplexer
Inventors:
Andreas Bergmann, Peter Muller
Patented Case
View Patent ↗
Granted: Nov 6, 2001
Filed: Nov 8, 1999
Inventors
Andreas Bergmann
Peter Muller
Assignee (at issue)
Siemens Matsushita Comp. 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.