Granted Patent
Utility
US 4,769,414 · App. 06/904,925
Absorbent compositions
Inventors:
Adrian P. Kightlinger, Robert B. Huston
Patented Case
View Patent ↗
Granted: Sep 6, 1988
Filed: Sep 8, 1986
Inventors
Adrian P. Kightlinger
Robert B. Huston
Assignee (at issue)
Grain Processing 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.