Granted Patent
Utility
US 4,669,302 · App. 06/726,485
Deflection and topography assessment mechanism anthropomorphically natural
Inventors:
Robert F. Wagner, Jack L. Lewis
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Apr 24, 1985
Inventors
Robert F. Wagner
Jack L. Lewis
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.