Granted Patent
Utility
US 4,451,084 · App. 06/330,280
Backrest height adjustment for office chair
Inventor:
Wayne C. Seeley
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Dec 14, 1981
Inventor
Wayne C. Seeley
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.