CH351864A
(en )
1961-01-31
Pen, in particular ballpoint pen
CH343260A
(en )
1959-12-15
Fountain pen with exchangeable writing and drawing nozzles
CH341737A
(en )
1959-10-15
Pen, in particular ballpoint pen
CH343261A
(en )
1959-12-15
Retractable ballpoint pen
CH340733A
(en )
1959-08-31
Writing utensils, in particular ballpoint pens
FR1129101A
(en )
1957-01-16
Pen with retractable ballpoint
CH376801A
(en )
1964-04-15
Writing utensils, in particular ballpoint pens
AT190417B
(en )
1957-06-25
Writing utensils, in particular ballpoint pens
AT198653B
(en )
1958-07-25
Hand-held writing implements, in particular ballpoint pens
AT193273B
(en )
1957-11-25
Writing utensils, in particular ballpoint pens
CH350570A
(en )
1960-11-30
Fountain pen
AT188632B
(en )
1957-01-25
Writing utensils, in particular ballpoint pens
AT183352B
(en )
1955-10-10
Writing utensils, in particular ballpoint pens
CH343842A
(en )
1959-12-31
Fountain pens for drawing or writing purposes
AT207727B
(en )
1960-02-25
Pen, in particular ballpoint pen
AT182059B
(en )
1955-05-25
Ink ballpoint pen
CH366773A
(en )
1963-01-15
Fountain pen with retractable writing tip
AT188252B
(en )
1957-01-10
Writing utensils, in particular ballpoint pens
DK96921C
(en )
1963-09-16
Writing tool, especially pen.
CH359062A
(en )
1961-12-15
Pressure pen, in particular ballpoint pens
IS872A7
(en )
1955-01-22
Ballpoint pen or similar pen.
AT188634B
(en )
1957-01-25
Writing, drawing or advertising implements, in particular school blackboards
ES29660Y
(en )
1954-09-16
Add-on device for mechanical pencils, fountain pens, ballpoint pens and pen handles
AT236253B
(en )
1964-10-12
Pen, in particular ballpoint pen
DK87563C
(en )
1959-07-13
Ballpoint pen or similar writing tool.