WALES, EMMONS & Co.,
66 Pearl St., Boston.
BREDEN & SOUTHWICK,
107 & 109 Liberty St., New York.
N. N. HALSTEAD, President,
E. S. CONVERSE, Secretary.
UNITED STATES
AND
Foreign Patent Agency.
WALES, EMMONS & Co.,
66 Pearl St., Boston.
BREDEN & SOUTHWICK,
107 & 109 Liberty St., New York.
N. N. HALSTEAD, President,
E. S. CONVERSE, Secretary.
UNITED STATES
AND
Foreign Patent Agency.