Granted Patent
Utility
US 4,296,603 · App. 06/116,318
Temperature responsive piston and cylinder unit having a heater carried thereby
Inventors:
Siegfried E. Manecke, Thomas M. Buckshaw
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Jan 28, 1980
Inventors
Siegfried E. Manecke
Thomas M. Buckshaw
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.