Granted Patent
Utility
US 4,646,889 · App. 06/773,169
Compressor drive with oil distribution sleeve
Inventors:
Fred W. Hoffman, Richard J. Reitz
Patented Case
View Patent ↗
Granted: Mar 3, 1987
Filed: Sep 6, 1985
Inventors
Fred W. Hoffman
Richard J. Reitz
Assignee (at issue)
ALLIED CONSULTING, 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.