Granted Patent
Utility
US 4,328,974 · App. 06/122,365
Stuffing box packing system and method
Inventors:
Richard E. White, David White
Patented Case
View Patent ↗
Granted: May 11, 1982
Filed: Feb 19, 1980
Inventors
Richard E. White
David White
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.