Granted Patent
Utility
US 5,353,516 · App. 08/014,140
Turbine packing ring measuring device
Inventor:
William S. Dalton
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Feb 5, 1993
Inventor
William S. Dalton
Assignee (at issue)
IMO Industries, Inc. Quabbin Division
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.