Granted Patent
Utility
US 4,467,703 · App. 06/411,932
Reciprocable pump
Inventors:
Fletcher H. Redwine, James E. Thompson
Patented Case
View Patent ↗
Granted: Aug 28, 1984
Filed: Aug 26, 1982
Inventors
Fletcher H. Redwine
James E. Thompson
Assignee (at issue)
United States Steel 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.