Granted Patent
Utility
US 4,523,137 · App. 06/536,551
Dual mode printer servo with improved velocity signal generator
Inventor:
Harvey C. Wong
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Sep 27, 1983
Inventor
Harvey C. Wong
Assignee (at issue)
Mechatron Systems, Inc.
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.