Granted Patent
Utility
US 6,472,828 · App. 09/602,348
Control for projector lamp heat dissipation
Inventors:
Henry Frazier Pruett, Fred T. Parker, Roger E. Yaffe, Jeff Gohman, Cathy Biber
Patented Case
View Patent ↗
Granted: Oct 29, 2002
Filed: Jun 23, 2000
Inventors
Henry Frazier Pruett
Fred T. Parker
Roger E. Yaffe
Jeff Gohman
Cathy Biber
Assignee (at issue)
INFOCUS 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.