Granted Patent
Utility
US 4,260,552 · App. 06/009,730
Tetrasubstituted organotin compounds
Inventors:
Richard J. Strunk, Winchester L. Hubbard, Robert E. Grahame, Jr.
Patented Case
View Patent ↗
Granted: Apr 7, 1981
Filed: Feb 6, 1979
Inventors
Richard J. Strunk
Winchester L. Hubbard
Robert E. Grahame, Jr.
Assignee (at issue)
Uniroyal Ltd.
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.