Granted Patent
Utility
US 4,413,348 · App. 06/224,322
System for producing process heat
Inventor:
Davorin Kapich
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: Jan 12, 1981
Inventor
Davorin Kapich
Assignee (at issue)
GA Technologies, Inc.
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.