Granted Patent
Utility
US 4,784,432 · App. 07/083,699
Adjustable chair
Inventor:
Jerrold Brown
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Aug 7, 1987
Inventor
Jerrold Brown
Assignee (at issue)
Rubbermaid Incorporated
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.