Granted Patent
Utility
US 5,669,442 · App. 08/563,322
Non-rotating pitless adapter
Inventor:
Richard Gibson
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Nov 28, 1995
Inventor
Richard Gibson
Assignee (at issue)
BAKER MANUFACTURING COMPANY, INC.
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.