Granted Patent
Utility
US 6,131,565 · App. 09/331,430
Solar energy collector system
Inventor:
David R. Mills
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Jun 18, 1999
Inventor
David R. Mills
Assignee (at issue)
Stanwell Consulting Limited
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.