# Cancel Image Cole Number City State Subject Description Year Notes Actions
3371 PT-73 Patent 1887
3372 PT-74 Chicago IL Patent
3373 PT-75 New Haven CT Patent 1880
3374 PT-76 Patent
3375 PT-77 Patent 1879
3376 PT-78 Patent 1870
3377 PT-79 Patent 1879
3378 PT-80 Hyndsville NY Patent 1879
3379 PT-81 Patent 1873
3380 PT-82 Patent 1873