Granted Patent
Utility
US 4,248,566 · App. 05/949,143
Dual function compressor bleed
Inventors:
Dennis C. Chapman, David T. Sayre
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Oct 6, 1978
Inventors
Dennis C. Chapman
David T. Sayre
Assignee (at issue)
General Motors LLC
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.