B - Operations – Transporting – 44 – B
Patent
B - Operations, Transporting
44
B
92/64
B44B 5/00 (2006.01) B24B 19/22 (2006.01) B26F 3/02 (2006.01) B44C 1/22 (2006.01) B44C 1/24 (2006.01) B65H 35/00 (2006.01) B65H 35/10 (2006.01)
Patent
CA 1278209
ABSTRACT A material in the form of sheets or a web is provided with a watermarklike pattern in the form of a text, figure or similar identification mark visible or displayable in transmitted light by means of relieflike mechanical working off of material, for example grinding, milling etc., corresponding to the desired pattern
500238
Nilsson Ingvar
Rausing Hans
Marks & Clerk
Nilsson Ingvar
Rausing Hans
Svecia Antiqua Limited
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