Granted Patent
Utility
US 4,680,868 · App. 06/882,573
Coordinate measuring machine with covers
Inventors:
Ladd J. Orr, John J. Tuss
Patented Case
View Patent ↗
Granted: Jul 21, 1987
Filed: Jul 7, 1986
Inventors
Ladd J. Orr
John J. Tuss
Assignee (at issue)
Warner & Swasey
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.