Granted Patent
Utility
US 5,014,520 · App. 07/506,439
Control device having a coiled compression shape memory spring, refrigerator system utilizing the control device and methods of making the same
Inventors:
Robert E. Orner, Aurelio V. Cassarino, Roger P. Sepso
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Apr 6, 1990
Inventors
Robert E. Orner
Aurelio V. Cassarino
Roger P. Sepso
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED
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.