Granted Patent
Utility
US 4,875,545 · App. 07/118,430
External bubble-suppression method and apparatus
Inventor:
Adrien P. Pascouet
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Nov 6, 1987
Inventor
Adrien P. Pascouet
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.