第二次世界大战初期,记者们进行战地采访。可是自来水笔常因无墨水不能书写,于是在英国的匈牙利记者莱兹·比洛根据油性渗透的原理,采用油溶性颜料,制造出第一支圆珠笔的雏型,称“油溶笔”。后来,比洛在英国申请了专利权。继而又把专利权卖给了美国爱弗释公司。战争年代,专利权无人过问,英国皇家空军飞机制造厂秘密地生产了世界上第一批商品油溶 In the early days of World War II, reporters conducted field interviews. However, fountain pen often can not write because there is no ink, so in the UK Hungarian journal Leeds Billow according to the principle of oil penetration, the use of oil-soluble pigments to create the first ball-point pen prototype, called “oil pen.” Later, Bill had applied for a patent in England. And then sold the patent to the United States Love Faith Company. War years, no one patented the Royal Air Force aircraft manufacturing plant secretly produced the world’s first batch of oil products