ALEXANDRIA, Va., Aug. 5 -- United States Patent no. D1,139,491, issued on Aug. 4, was assigned to Kubota Corp. (Osaka, Japan).

"Tractor" was invented by Yoshihiro Kushita (Sakai, Japan), Wataru Sasaki (Sakai, Japan), Takamasa Maeda (Sakai, Japan), Taro Anai (Sakai, Japan) and Tomomi Ashida (Sakai, Japan).

The patent was filed on June 20, 2025, under Application No. D/009,255.

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