Granted Patent
Utility
US 5,218,137 · App. 07/857,390
Light activated acyl-enzymes
Inventors:
Ned A. Porter, John D. Bruhnke
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Mar 25, 1992
Inventors
Ned A. Porter
John D. Bruhnke
Assignee (at issue)
Duke University
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.