Granted Patent
Utility
US 4,155,130 · App. 05/822,728
Means for restraining cross helical spin-out
Inventor:
Richard C. Roe
Patented Case
View Patent ↗
Granted: May 22, 1979
Filed: Aug 8, 1977
Inventor
Richard C. Roe
Assignee (at issue)
Sealy, 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.