6 US patents in the B26B21 classification group during the 1860s

1864-03-08 US41891 Bald catanach

1866-12-18 US60494 James emerson (Wrong classification)

1867-08-06 US67411 Improvement in bazofis

1869-09-14 US94820 Improvement in hair-cutters

1869-11-16 US96953 Improvement in lip-shields

1869-12-28 US98256 Improvement in hair-cutters