Granted Patent
Utility
US 6,474,378 · App. 09/850,217
Plunge router having electronic depth adjustment
Inventors:
William J. Ryan, Carl C. Carlson
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: May 7, 2001
Inventors
William J. Ryan
Carl C. Carlson
Assignee (at issue)
S-B Power Tool Corporation
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.