Granted Patent
Utility
US 6,223,371 · App. 09/292,604
Mattress and method of manufacture
Inventors:
Steven J. Antinori, Rick Robinson
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Apr 15, 1999
Inventors
Steven J. Antinori
Rick Robinson
Assignee (at issue)
Steven J. Antinori
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.