Granted Patent
Utility
US 4,334,124 · App. 06/134,345
Floating coordinate system
Inventors:
Bruce Imsand, Robert L. Kuehlthau
Patented Case
View Patent ↗
Granted: Jun 8, 1982
Filed: Mar 26, 1980
Inventors
Bruce Imsand
Robert L. Kuehlthau
Assignee (at issue)
Intergraph 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.