Granted Patent
Utility
US 4,821,993 · App. 07/140,496
Retaining bracket for detachable pump
Inventors:
Steven D. Warner, William Christopher Swick, David M. Anderson
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Jan 4, 1988
Inventors
Steven D. Warner
William Christopher Swick
David M. Anderson
Assignee (at issue)
J. I. Case 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.