Granted Patent
Utility
US 5,657,532 · App. 08/587,312
Method of making insulated electrical heating element using LTCC tape
Inventors:
John H. Alexander, Simon Turvey
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Jan 16, 1996
Inventors
John H. Alexander
Simon Turvey
Assignee (at issue)
Ferro 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.