Granted Patent
Utility
US 4,876,056 · App. 07/117,831
Flow measurement
Inventors:
Colin G. Clayton, Ramon Spackman
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: Nov 9, 1987
Inventors
Colin G. Clayton
Ramon Spackman
Assignee (at issue)
United Kingdom Atomic Energy Authority
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.