Granted Patent
Utility
US 5,832,744 · App. 08/714,694
Distributor for refrigeration system
Inventors:
David Charles Dorste, Robert S. Ens, Joseph H. Heffner
Patented Case
View Patent ↗
Granted: Nov 10, 1998
Filed: Sep 16, 1996
Inventors
David Charles Dorste
Robert S. Ens
Joseph H. Heffner
Assignee (at issue)
Sporlan Valve Company
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.