Granted Patent
Utility
US 6,818,674 · App. 09/985,771
Elastic member and image formation equipment
Inventors:
Junji Sakata, Hirotaka Yamazaki
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Nov 6, 2001
Inventors
Junji Sakata
Hirotaka Yamazaki
Assignee (at issue)
BRIDGESTONE 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.