Granted Patent
Utility
US 5,707,439 · App. 08/574,012
Layered minerals and compositions comprising the same
Inventors:
Tohru Takekoshi, Farid Fouad Khouri, John R. Campbell, Therese C. Jordan, Kevin H. Dai
Patented Case
View Patent ↗
Granted: Jan 13, 1998
Filed: Dec 18, 1995
Inventors
Tohru Takekoshi
Farid Fouad Khouri
John R. Campbell
Therese C. Jordan
Kevin H. Dai
Assignee (at issue)
General Electric Company
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.