Granted Patent
Utility
US 5,358,745 · App. 08/054,911
Method of making thin-film composite membranes
Inventors:
Chinh Tran, Adrian C. Maldonado, Ratnasamy Somanathan
Patented Case
View Patent ↗
Granted: Oct 25, 1994
Filed: Apr 27, 1993
Inventors
Chinh Tran
Adrian C. Maldonado
Ratnasamy Somanathan
Assignee (at issue)
Fluid Systems, Inc.
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.