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DE4229976A1
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Writing instrument, in particular ballpoint pen
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US4097289A
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Ink with ester additive providing easy wipe off of ink markings
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GB1454007A
|
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Marking devices
|
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GB1405379A
|
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Method of making pencil leads for writing and drawing purposes
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US3815734A
|
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Dispenser
|
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DE2133636A1
|
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BALLPOINT PEN
|
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GB1285294A
|
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Marking instrument
|
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DE1911585A1
|
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Writing implement with a twist mechanism
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DE1911586A1
|
|
Mine for writing instruments with a feed mechanism
|
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DE1644714A1
|
|
Process for the production of burned pencil leads
|
|
DE1244418B
|
|
Use of a cold-deformable nickel alloy as a material for ball holder tips of ballpoint pens
|
|
DE1238360B
|
|
Mechanical pencil
|
|
DE1199737B
|
|
Mixing and kneading machine
|
|
DE1299091B
|
|
Process for making pencil leads
|
|
DE1298667B
|
|
Process for making pencil leads
|
|
DE1199908B
|
|
Process for the production of burned pencil leads impregnated with grease-like substances for writing on smooth surfaces
|
|
DE1222191B
|
|
Color pastes for ballpoint pens and for the production of liquid inks
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DE925035C
|
|
Ball writing and drawing device
|
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GB257226A
|
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Improvements in machines for polishing or varnishing pencils or like bodies
|
|
DE463880C
|
|
Machine for polishing pencils and other stick-shaped bodies
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