Granted Patent
Utility
US 4,455,230 · App. 06/371,978
Pleated membrane transfer device utilizing potting and thixotropic adhesive
Inventors:
Roger J. Elgas, Gary A. Carson
Patented Case
View Patent ↗
Granted: Jun 19, 1984
Filed: Apr 26, 1982
Inventors
Roger J. Elgas
Gary A. Carson
Assignee (at issue)
Cobe Laboratories, 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.