Granted Patent
Utility
US 5,135,012 · App. 07/682,797
Magnetic compact case
Inventors:
Melvin E. Kamen, Philip A. Bernstein
Patented Case
View Patent ↗
Granted: Aug 4, 1992
Filed: Apr 9, 1991
Inventors
Melvin E. Kamen
Philip A. Bernstein
Assignee (at issue)
Revlon
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.