Granted Patent
Utility
US 4,554,947 · App. 06/666,186
Load recall valve
Inventor:
Jasper E. Cobb, III
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Oct 29, 1984
Inventor
Jasper E. Cobb, III
Assignee (at issue)
Armco Research and Technology
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.