Granted Patent
Utility
US 4,610,613 · App. 06/740,817
Control means for gas compressor having dual slide valves
Inventor:
Paul G. Szymaszek
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Jun 3, 1985
Inventor
Paul G. Szymaszek
Assignee (at issue)
Vilter Manufacturing LLC
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.