Granted Patent
Utility
US 5,443,413 · App. 08/099,588
Brushless spindle motor for a grinding machine including hydrostatic bearings
Inventors:
William W. Pflager, Timothy W. Hykes
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Jul 30, 1993
Inventors
William W. Pflager
Timothy W. Hykes
Assignee (at issue)
Western Atlas, Inc.
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.