Granted Patent
Utility
US 4,523,270 · App. 06/413,331
Method and device for creating curved surfaces
Inventors:
Hajimu Kishi, Masaki Seki
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Aug 23, 1982
Inventors
Hajimu Kishi
Masaki Seki
Assignee (at issue)
FANUC 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.