Granted Patent
Utility
US 5,693,172 · App. 08/482,439
Methods and compositions for interfacially bonding mineral surfaces and the like
Inventors:
Martel Zeldin, Wilmer K. Fife
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Jun 7, 1995
Inventors
Martel Zeldin
Wilmer K. Fife
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.