Granted Patent
Utility
US 4,415,147 · App. 06/310,145
Seating spring assembly and method
Inventors:
Thomas S. Biscoe, Rodney S. Taylor
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Oct 9, 1981
Inventors
Thomas S. Biscoe
Rodney S. Taylor
Assignee (at issue)
Simmons Universal Corporation
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.