Granted Patent
Utility
US 5,032,969 · App. 07/480,408
Turbine engine igniter exciter circuit
Inventors:
Frederick W. Eggers, LeRoy B. Adam
Patented Case
View Patent ↗
Granted: Jul 16, 1991
Filed: Feb 15, 1990
Inventors
Frederick W. Eggers
LeRoy B. Adam
Assignee (at issue)
Cooper Industries Holdings
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.