Granted Patent
Utility
US 6,178,873 · App. 09/284,715
Piston with releasable rod connection for refrigeration compressors
Inventors:
Emilio Pierobon, Arcangelo Santamato
Patented Case
View Patent ↗
Granted: Jan 30, 2001
Filed: Apr 19, 1999
Inventors
Emilio Pierobon
Arcangelo Santamato
Assignee (at issue)
Zanussi Elettromeccanica S.p.A.
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.