Granted Patent
Utility
US 4,896,877 · App. 07/373,043
Incrementally rotatable teeter-totter
Inventors:
David E. Moomaw, Wade A. F. Maple, Robert Boggs
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Jun 28, 1989
Inventors
David E. Moomaw
Wade A. F. Maple
Robert Boggs
Assignee (at issue)
The Quaker Oats Company
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.