Granted Patent
Utility
US 5,319,841 · App. 07/903,154
Method for filling a container with compressed polyurethane foam
Inventors:
Tatsuo Yata, Shu Inoue
Patented Case
View Patent ↗
Granted: Jun 14, 1994
Filed: Jun 24, 1992
Inventors
Tatsuo Yata
Shu Inoue
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.