Granted Patent
Utility
US 4,290,817 · App. 06/112,564
Glucoheptonate composition
Inventors:
Jose L. Villa, Joseph V. Sinka, Joseph P. Fleming
Patented Case
View Patent ↗
Granted: Sep 22, 1981
Filed: Jan 16, 1980
Inventors
Jose L. Villa
Joseph V. Sinka
Joseph P. Fleming
Assignee (at issue)
Diamond Shamrock 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.