Granted Patent
Utility
US 5,791,577 · App. 08/700,827
Reel lock releasing apparatus for a magnetic recording/reproducing apparatus capable of operating dual sized cassettes
Inventor:
Chang-Ho Lee
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Aug 21, 1996
Inventor
Chang-Ho Lee
Assignee (at issue)
Daewoo Electronics 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.