Granted Patent
Utility
US 6,116,855 · App. 09/123,060
Flexible impeller removal system
Inventor:
Bruce A. Maki
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Jul 27, 1998
Inventor
Bruce A. Maki
Assignee (at issue)
Hypro, 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.