Daga 1920s zuwa 1960s, kafin ci gaban ballpoint alkalami, Parker ya kasance ko dai lamba daya ko lamba biyu a duniya rubuce-rubuce kayan aiki tallace-tallace. A 1931 Parker halitta Quink (sauri bushewa tawada), wanda kawar da bukatar blotting. A 1941 kamfanin ya ci gaba da mafi yadu amfani da model na maɓuɓɓugar ruwa alkalami a tarihi (a kan $ 400 miliyan darajar tallace-tallace a cikin shekaru 30 tarihi), da Parker 51. Manufacturing wurare da aka kafa a tsawon shekaru a Canada, United Kingdom, Denmark, Faransa, Mexico, Amurka, Pakistan, India, Jamus (Osmia-Parker), Brazil da kuma Argentina. Tambaya: abin da ya fi rare iri rubuce-rubuce kayan aiki kafin ballpoint alkalami?
Parker