Granted Patent
Utility
US 5,981,249 · App. 09/018,760
Single-chain polypeptides comprising creatine kinase M and creatine kinase B
Inventors:
Qinwei Shi, Rowel Tobias
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Feb 5, 1998
Inventors
Qinwei Shi
Rowel Tobias
Assignee (at issue)
Spectral Diagnostics, 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.