Granted Patent
Utility
US 6,212,720 · App. 09/520,981
Mattress tub
Inventors:
Steven J. Antinori, Brent Agar
Patented Case
View Patent ↗
Granted: Apr 10, 2001
Filed: Mar 8, 2000
Inventors
Steven J. Antinori
Brent Agar
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.