Granted Patent
Utility
US 4,518,360 · App. 06/531,099
Device to compensate for distortion in target location in a visual system
Inventors:
Robert A. Fisher, David L. Peters
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Sep 12, 1983
Inventors
Robert A. Fisher
David L. Peters
Assignee (at issue)
The Singer Company Limited
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.