Granted Patent
Utility
US 6,588,254 · App. 10/108,351
Rotary rheometer
Inventors:
Peter Foster, Nigel Doe
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Mar 29, 2002
Inventors
Peter Foster
Nigel Doe
Assignee (at issue)
Waters Investments Limited
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.