No. 25,573 June 2, 1896, Double Prism Tile.
No. 26,829 Mar. 30, 1897, Prism Light.
No. 26,864 Apr. 6, 1897, Prism Plate.
No. 26,865 Apr. 6, 1897, Multi-Prism Tile.
No. 26,866 Apr. 6, 1897, Lenticular Prism Tile.
No. 26,867 Apr. 6, 1897, Prism Light.
No. 26,868 Apr. 6, 1897, Double Prism Light.
No. 26,890 Apr. 13, 1897, Prism Light.
No. 26,988 Apr. 27, 1897, Hexagonal Prism Light.
No. 26,989 Apr. 27, 1897, Single Prism Tile.
No. 27,323 July 13, 1897, Hexagonal Prism Light.
No. 27,324 July 13, 1897, Lenticular Prism Light.
No. 27,325 July 13, 1897, Prism Light.
No. 27,326 July 13, 1897, Prism Light.
No. 27,327 July 13, 1897, Prism Light.
No. 27,328 July 13, 1897, Prism Light.
No. 27,329 July 13, 1897, Prism Light.
No. 27,330 July 13, 1897, Prism Light.
No. 27,331 July 13, 1897, Prism Light.
No. 27,332 July 13, 1897, Prism Light.
No. 27,333 July 13, 1897, Diamond Prism Light.
No. 27,334 July 13, 1897, Elliptical Prism Light.
No. 27,335 July 13, 1897, Elliptical Prism Light.
No. 27,336 July 13, 1897, Circular Prism Light.
No. 27,337 July 13, 1897, Octagon Prism Light.
No. 27,338 July 13, 1897, Pentagon Prism Light.
No. 27,339 July 13, 1897, Prism Plate.
No. 27,340 July 13, 1897, Triangular Prism Light.
No. 27,341 July 13, 1897, Prism Plate.
No. 27,342 July 13, 1897, Triangular Prism Light.
No. 27,343 July 13, 1897, Prism Plate.
No. 27,344 July 13, 1897, Prism Plate, Hexagons.
No. 27,345 July 13, 1897, Prism Plate, Diamonds.
No. 27,346 July 13, 1897, Prism Plate, Hexagons.
No. 27,347 July 13, 1897, Prism Light.
No. 27,348 July 13, 1897, Prism Plate, Hexagons.
No. 27,677 Sept. 21, 1897, Prism Light.