Granted Patent
Utility
US 5,492,229 · App. 08/151,386
Vertical boat and a method for making the same
Inventors:
Takashi Tanaka, Jun Yoshikawa, Eiichi Toya, Atsuo Kitazawa, Kazunori Meguro, Tatsuo Nozawa, Yutaka Ishizuka, Yoshiyuki Watanabe, Masaru Seino, Hideo Nakanishi
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Nov 12, 1993
Inventors
Takashi Tanaka
Jun Yoshikawa
Eiichi Toya
Atsuo Kitazawa
Kazunori Meguro
Tatsuo Nozawa
Yutaka Ishizuka
Yoshiyuki Watanabe
Masaru Seino
Hideo Nakanishi
Assignee (at issue)
Toshiba Ceramics Co., Ltd.
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.