Cushman, Darby & Cushman
Mat base plate
 The mat base plate which is intended for use as a substrate for a door mat includes an outer peripheral rim, a plurality of concentric annular steps from the outer peripheral rim inwardly and downwardly and a central well to provide an aesthetic appearance for the plate/plate combination even when a shrunken mat is placed on the plate. 
Duskin Franchise Kabushiki Kaisha
Y Y A Y Y
Y10T Y10T A47L Y10T Y10S
additional additional inventional additional additional
Yosuke Ken Takehisa Kinichi
Yamamoto Yamazaki Kinoyama Sasagawa