Granted Patent
Utility
US 4,512,716 · App. 06/430,245
Vortex transition duct
Inventors:
M. Louise McHenry, Robert C. Bremer, Jr.
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Sep 30, 1982
Inventors
M. Louise McHenry
Robert C. Bremer, Jr.
Assignee (at issue)
Wallace Murray Corporation
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.