Granted Patent
Utility
US 4,882,847 · App. 07/305,598
Coordinate measuring machine with improved carriage way arrangement
Inventors:
Thomas L. Hemmelgarn, Freddie L. Raleigh
Patented Case
View Patent ↗
Granted: Nov 28, 1989
Filed: Feb 3, 1989
Inventors
Thomas L. Hemmelgarn
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.