Granted Patent
Utility
US 4,569,113 · App. 06/689,721
Method of making seat for recreational swing set
Inventors:
William H. Shannon, Wesley D. Sutton
Patented Case
View Patent ↗
Granted: Feb 11, 1986
Filed: Jan 8, 1985
Inventors
William H. Shannon
Wesley D. Sutton
Assignee (at issue)
Gametime
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.