Granted Patent
Utility
US 4,929,368 · App. 07/376,529
Fluoroether grease acoustic couplant
Inventor:
Joseph Baumoel
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Jul 7, 1989
Inventor
Joseph Baumoel
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.