Granted Patent
Utility
US 4,257,152 · App. 06/004,409
Fin assembly system for model rockets
Inventor:
Bruce L. Paton
Patented Case
View Patent ↗
Granted: Mar 24, 1981
Filed: Jan 18, 1979
Inventor
Bruce L. Paton
Assignee (at issue)
Century Engineering, 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.