Granted Patent
Utility
US 4,838,952 · App. 07/188,505
Controlled reflectance solar cell
Inventors:
Hans G. Dill, David R. Lillington
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Apr 29, 1988
Inventors
Hans G. Dill
David R. Lillington
Assignee (at issue)
Spectrolab, 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.