Granted Patent
Utility
US 4,270,906 · App. 06/090,883
Belt tensioner construction
Inventors:
Derald H. Kraft, Daniel M. Rinaldo
Patented Case
View Patent ↗
Granted: Jun 2, 1981
Filed: Nov 5, 1979
Inventors
Derald H. Kraft
Daniel M. Rinaldo
Assignee (at issue)
Dyneer Corporation
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.