Granted Patent
Utility
US 4,949,315 · App. 07/389,361
External bubble-suppression method and apparatus
Inventor:
Adrien P. Pascouet
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Aug 3, 1989
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.