Granted Patent
Utility
US 4,622,115 · App. 06/743,084
Photochemical process using a waveguide reaction cell
Inventor:
James A. O'Neill
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Jun 10, 1985
Inventor
James A. O'Neill
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.