Granted Patent
Utility
US 5,396,986 · App. 08/229,851
Mixing capsule having three tubular members
Inventors:
Richard W. Fountain, John W. Gillespie, Jr.
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Apr 19, 1994
Inventors
Richard W. Fountain
John W. Gillespie, Jr.
Assignee (at issue)
SPECIAL METALS 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.