Granted Patent
Utility
US 4,537,696 · App. 06/537,772
Hydraulic fluids based on two centistoke synthetic hydrocarbons
Inventor:
Bruce J. Beimesch
Patented Case
View Patent ↗
Granted: Aug 27, 1985
Filed: Sep 30, 1982
Inventor
Bruce J. Beimesch
Assignee (at issue)
National Distillers and Chemical 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.