Granted Patent
Utility
US 4,677,517 · App. 06/734,599
Wiper spring assembly for the fabric liner of a floppy disc
Inventors:
Anthony L. Gelardi, Stephen G. Swinburne
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: May 16, 1985
Inventors
Anthony L. Gelardi
Stephen G. Swinburne
Assignee (at issue)
Shape Corp.
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.