Abstract: An apparatus for preventing nasolabial folds (smile lines) comprises an upstanding wall having a first surface facing a user's lip, the upstanding wall having two lobes positioned apart on either side of the upstanding wall, wherein the lobes extend upward from a top portion of the upstanding wall to an area where an upper lip and a gum join, wherein the lobes are of a size and thickness to lift a skin between each corner of a nose and each corner of the lip above from the gum, and wherein the first surface bulges outward at locations of the lobes; and a tray having a second surface facing occlusal surfaces of lower teeth; wherein the upstanding wall and the tray define a third surface having recesses for receiving upper teeth.

Abstract: An electric bus is disclosed, comprising a body including a floor, a rear cabin, and two front wheel wells. The front wheel wells are disposed in a middle section of the body. The body further includes a seat area having one or more seats arranged in one or more rows. The rear cabin is disposed behind a back row of the seats. The electric bus further includes a chassis and a battery system for providing electric power to the electric bus. The battery system further comprises a first battery group disposed above the respective front wheel wells; a second battery group disposed under the floor and proximate to an intermediate row of the seats; and a third battery group disposed under the floor and proximate to a back row of the seats and in the rear cabin behind the back row of seats.

Abstract: An electric bus is disclosed, comprising a body including a floor, a rear cabin, and two front wheel wells. The front wheel wells are disposed in a middle section of the body. The body further includes a seat area having one or more seats arranged in one or more rows. The rear cabin is disposed behind a back row of the seats. The electric bus further includes a chassis and a battery system for providing electric power to the electric bus. The battery system further comprises a first battery group disposed above the respective front wheel wells; a second battery group disposed under the floor and proximate to an intermediate row of the seats; and a third battery group disposed under the floor and proximate to a back row of the seats and in the rear cabin behind the back row of seats.