GB1294057A
(en )
1972-10-25
Ball-point pen serving also as pointer
GB784388A
(en )
1957-10-09
Improvements in fountain pens
CN200988363Y
(zh )
2007-12-12
一种多功能自动铅笔
GB584975A
(de )
1900-01-01
GB629089A
(en )
1949-09-12
Improvements in writing implements
GB810719A
(en )
1959-03-18
Improvements in retractable ball-point pens
GB685706A
(en )
1953-01-07
Improvements in and relating to ball point pens
US2593366A
(en )
1952-04-15
Writing instrument
GB640179A
(en )
1950-07-12
Improvements in and relating to propelling pencils and pens
GB805573A
(en )
1958-12-10
Improvements in writing instruments
GB806296A
(en )
1958-12-23
Improvements in writing instruments
GB597143A
(en )
1948-01-19
Improvements in writing instruments
GB888128A
(en )
1962-01-24
Improvements relating to nib-holders for fountain pens
GB922529A
(en )
1963-04-03
Ball-point pens
GB783485A
(en )
1957-09-25
Writing instruments provided with retractable writing points
CN205130710U
(zh )
2016-04-06
一种多功能水笔
GB812516A
(en )
1959-04-29
Improvements in or relating to ball point writing implements
GB1194997A
(en )
1970-06-17
Improvements relating to Cartridges for Ball Pens
GB848851A
(en )
1960-09-21
Writing implements
GB729729A
(en )
1955-05-11
Improvements in nib-sections for fountain pens
GB191019410A
(en )
1911-05-04
Improvements in and relating to Reservoir Pens.
JPS5842152Y2
(ja )
1983-09-22
筆記具
ES82655U
(es )
1960-10-01
Dispositivo de accionamiento para boígrafos y similares de tipo retráctil
KR850002158Y1
(ko )
1985-10-07
녹크식 샤아프 펜슬
GB536393A
(en )
1941-05-13
Improvements in a pen point structure for writing and marking implements