Granted Patent
Utility
US 4,347,433 · App. 06/050,922
Heat transfer apparatus for releasably securing heating or cooling means to pipe
Inventors:
Rudolph G. Wojtecki, Joseph P. Kaan
Patented Case
View Patent ↗
Granted: Aug 31, 1982
Filed: Jun 21, 1979
Inventors
Rudolph G. Wojtecki
Joseph P. Kaan
Assignee (at issue)
Eaton Corporation
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.