Granted Patent
Utility
US 5,218,501 · App. 07/691,760
Device for aligning magnetic tape to a read-write head
Inventor:
Richard G. Sellke
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Apr 26, 1991
Inventor
Richard G. Sellke
Assignee (at issue)
Archive 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.