Granted Patent
Utility
US 4,529,126 · App. 06/475,051
External mixing spray gun
Inventor:
Frank E. Ives
Patented Case
View Patent ↗
Granted: Jul 16, 1985
Filed: Mar 14, 1983
Inventor
Frank E. Ives
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.