Granted Patent
Utility
US 6,536,901 · App. 09/813,862
Projector
Inventors:
Takeshi Takezawa, Toshiaki Hashizume, Motoyuki Fujimori
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Mar 22, 2001
Inventors
Takeshi Takezawa
Toshiaki Hashizume
Motoyuki Fujimori
Assignee (at issue)
SEIKO EPSON 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.