Granted Patent
Utility
US 4,158,887 · App. 05/826,965
Curve generator for generating a smooth curve with a pair of circular arcs between two given points
Inventor:
Makoto Kosugi
Patented Case
View Patent ↗
Granted: Jun 19, 1979
Filed: Aug 22, 1977
Inventor
Makoto Kosugi
Assignee (at issue)
Nippon Telegraph and Telephone Public 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.