Granted Patent
Utility
US 4,215,084 · App. 05/902,358
Method and apparatus for producing flake particles
Inventor:
Robert E. Maringer
Patented Case
View Patent ↗
Granted: Jul 29, 1980
Filed: May 3, 1978
Inventor
Robert E. Maringer
Assignee (at issue)
Battelle Development 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.