Granted Patent
Utility
US 6,580,950 · App. 09/561,091
Internet based home communications system
Inventors:
Jeff Johnson, Dan Schulz, Thor Iverson, Dan Malmstrom
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Apr 28, 2000
Inventors
Jeff Johnson
Dan Schulz
Thor Iverson
Dan Malmstrom
Assignee (at issue)
Echelon Corporation
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.