Granted Patent
Utility
US 5,900,830 · App. 08/446,449
System for custom recording
Inventor:
Robert G. Scheffler
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: May 22, 1995
Inventor
Robert G. Scheffler
Assignee (at issue)
Magic Music Cassette Co., 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.