Granted Patent
Utility
US 6,507,986 · App. 09/478,712
Blade tool for cutter head of thickness planers
Inventors:
Frank J. Tomiser, Jr., Randall E. Campbell, Paul J. Eckhoff
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Jan 6, 2000
Inventors
Frank J. Tomiser, Jr.
Randall E. Campbell
Paul J. Eckhoff
Assignee (at issue)
Emerson Electric Co.
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.