Granted Patent
Utility
US 5,332,004 · App. 08/021,493
Rotary noise attenuator
Inventors:
Douglas P. Gethmann, Allen C. Fagerlund, Charles R. Kuhlman, Ronnie L. Smith, Alan D. Thomas, Larry J. Weber
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Feb 23, 1993
Inventors
Douglas P. Gethmann
Allen C. Fagerlund
Charles R. Kuhlman
Ronnie L. Smith
Alan D. Thomas
Larry J. Weber
Assignee (at issue)
Fisher Controls International LLC
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.