Granted Patent
Utility
US 4,580,209 · App. 06/577,262
Method and apparatus for machine absolute positioning measurement
Inventors:
Richard E. Hohn, David I. McDonald, Harold D. Wiebe
Patented Case
View Patent ↗
Granted: Apr 1, 1986
Filed: Feb 6, 1984
Inventors
Richard E. Hohn
David I. McDonald
Harold D. Wiebe
Assignee (at issue)
Cincinnatti Milacron 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.