Granted Patent
Utility
US 5,246,210 · App. 07/896,993
Grid and spring subassembly for box springs
Inventors:
Upton R. Dabney, William C. Rodgers
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Jun 11, 1992
Inventors
Upton R. Dabney
William C. Rodgers
Assignee (at issue)
Hoover Limited
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.