Granted Patent
Utility
US 4,418,388 · App. 06/178,187
Engine waveform pattern analyzer
Inventors:
Clarence B. Allgor, Clair J. St. Clair, Richard A. Pearson
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Aug 14, 1980
Inventors
Clarence B. Allgor
Clair J. St. Clair
Richard A. Pearson
Assignee (at issue)
The Allen Company, 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.