Granted Patent
Utility
US 4,500,093 · App. 06/412,110
Shaft seal system
Inventor:
Davorin Kapich
Patented Case
View Patent ↗
Granted: Feb 19, 1985
Filed: Aug 27, 1982
Inventor
Davorin Kapich
Assignee (at issue)
GA Technologies, 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.