Granted Patent
Utility
US 5,584,598 · App. 08/547,314
Concrete-floor finisher
Inventors:
Hiromitsu Watanabe, Noriyuki Takeuchi, Tetsuya Arimoto, Atsushi Yamashiro
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Oct 24, 1995
Inventors
Hiromitsu Watanabe
Noriyuki Takeuchi
Tetsuya Arimoto
Atsushi Yamashiro
Assignee (at issue)
Tokimec 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.