Granted Patent
Utility
US 6,809,451 · App. 10/218,287
Galvanometer motor with composite rotor assembly
Inventor:
David C. Brown
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Aug 14, 2002
Inventor
David C. Brown
Assignee (at issue)
GSI LUMONICS 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.