Granted Patent
Utility
US 4,205,488 · App. 05/905,650
Grinding machine
Inventors:
Gary E. Englander, Richard P. Chase, Donald P. Anderson, Guy D. Metcalf
Patented Case
View Patent ↗
Granted: Jun 3, 1980
Filed: May 15, 1978
Inventors
Gary E. Englander
Richard P. Chase
Donald P. Anderson
Guy D. Metcalf
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.