Granted Patent
Utility
US 4,177,810 · App. 05/881,033
Pneumatic injection apparatus
Inventor:
Albert J. A. Gourlandt
Patented Case
View Patent ↗
Granted: Dec 11, 1979
Filed: Feb 24, 1978
Inventor
Albert J. A. Gourlandt
Assignee (at issue)
Damon 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.