Granted Patent
Utility
US 5,407,820 · App. 07/914,231
Calcium channel .alpha.-2 subunit DNAs and cells expressing them
Inventors:
Steven B. Ellis, Mark E. Williams, Michael M. Harpold, Arnold Schwartz, Robert Brenner
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Jul 13, 1992
Inventors
Steven B. Ellis
Mark E. Williams
Michael M. Harpold
Arnold Schwartz
Robert Brenner
Assignee (at issue)
The Salk Institute Biotechnology/Industrial Associates, 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.