Granted Patent
Utility
US 4,979,672 · App. 07/510,449
Shape memory actuator
Inventors:
David N. AbuJudom, II, Paul E. Thoma, Roger V. Hajny, Steven A. Linstead
Patented Case
View Patent ↗
Granted: Dec 25, 1990
Filed: Apr 18, 1990
Inventors
David N. AbuJudom, II
Paul E. Thoma
Roger V. Hajny
Steven A. Linstead
Assignee (at issue)
Johnson Service 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.