Granted Patent
Utility
US 5,299,740 · App. 07/852,573
Plural component airless spray gun with mechanical purge
Inventor:
Jeffrey D. Bert
Patented Case
View Patent ↗
Granted: Apr 5, 1994
Filed: Mar 17, 1992
Inventor
Jeffrey D. Bert
Assignee (at issue)
Binks Manufacturing Company
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.