Granted Patent
Utility
US 4,928,396 · App. 07/320,189
Coordinate measuring machine with improved carriage drive system
Inventor:
Freddie L. Raleigh
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Mar 7, 1989
Inventor
Freddie L. Raleigh
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.