Granted Patent
Utility
US 4,611,934 · App. 06/773,753
Device for preloading bearings
Inventors:
Tadeusz W. Piotrowski, Horst E. Maack
Patented Case
View Patent ↗
Granted: Sep 16, 1986
Filed: Sep 9, 1985
Inventors
Tadeusz W. Piotrowski
Horst E. Maack
Assignee (at issue)
Cincinnatti Milacron 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.