Granted Patent
Utility
US 6,094,815 · App. 09/248,645
Method of manufacturing rotor for a vane compressor
Inventors:
Hidekatsu Shigihara, Mitsuya Ono
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Feb 11, 1999
Inventors
Hidekatsu Shigihara
Mitsuya Ono
Assignee (at issue)
Zexel GmbH
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.