Granted Patent
Utility
US 3,962,162 · App. 05/443,298
Rigidly bonded green ceramics and processes
Inventor:
Horst W. Schmank
Patented Case
View Patent ↗
Granted: Jun 8, 1976
Filed: Feb 19, 1974
Inventor
Horst W. Schmank
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.