Granted Patent
Utility
US 6,188,048 · App. 09/546,672
Radiant electric heater with fabric covering sheet
Inventors:
Peter Wilkins, David Aubrey Plumptre
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Apr 11, 2000
Inventors
Peter Wilkins
David Aubrey Plumptre
Assignee (at issue)
Ceramaspeed, 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.