ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,324, issued on Feb. 10, was assigned to Kubota Corp. (Osaka, Japan).

"Work vehicle" was invented by Hiroki Bessho (Sakai, Japan), Yuki Kawabata (Sakai, Japan) and Satoko Ueno (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A work vehicle includes a first cover extending between and attached to a gear case and a lower face of a floor, and covering a first opening in the gear case, a second opening in the floor, and an area surrounding a steering shaft between the first opening in the gear case and the second opening in the floor while separating the first opening, the second opening, and the area from a region below the floor."

The pate...