Granted Patent
Utility
US 5,499,901 · App. 08/214,320
Bearing frame clearance seal construction for a pump
Inventor:
Robert E. Rockwood
Patented Case
View Patent ↗
Granted: Mar 19, 1996
Filed: Mar 17, 1994
Inventor
Robert E. Rockwood
Assignee (at issue)
Environamics 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.