Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
Load children
B41K
STAMPS; STAMPING OR NUMBERING APPARATUS OR DEVICES
Load children
1/00
Portable hand-operated devices without means for supporting or locating the articles to be stamped, i.e. hand stamps; Inking devices or other accessories therefor
Load children Filter patents View analytics View as hierarchy
B41K1/08
with a flat stamping surface and changeable characters
Load children Filter patents View analytics View as hierarchy
B41K1/14
having automatic means for changing type-characters
Load children Filter patents View analytics View as hierarchy