Granted Patent
Utility
US 5,267,885 · App. 07/747,882
Model rocket kit structure
Inventors:
Keith W. Niskern, Michael K. Dorffler
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Aug 20, 1991
Inventors
Keith W. Niskern
Michael K. Dorffler
Assignee (at issue)
SENTERA, 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.