Bolt and nut tightening device
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The broken lines are shown in the views for illustrative purposes only and form no part of the claimed invention.
The name TONE displayed on the bolt and nut tightening device is a trademark owned by Maeda Metal Industries, Ltd.
Claims
The ornamental design for a bolt and nut tightening device, substantially as shown and described.
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Type: Grant
Filed: May 26, 2006
Date of Patent: May 20, 2008
Assignee: Maeda Metal Industries, Ltd. (Osaka-shi)
Inventors: Yukio Torigai (Sakai), Toshihiko Kushida (Osaka), Katsuhiro Fujimoto (Katano)
Primary Examiner: T. Chase Nelson
Attorney: Kratz, Quintos & Hanson, LLP
Application Number: 29/260,484