Assertion: plastic pencil | /r/CapableOf | improve by arthur d. little
Facets:
value: from 1969
type: TEMPORAL
value: subsequently
type: TEMPORAL
value: through the early 1970s
type: TEMPORAL
value: for empire
type: PURPOSE
Source sentences:
text: Invented by Harold Grossman for Empire Pencil Company in 1967 and subsequently improved upon by Arthur D. Little for Empire from 1969 through the early 1970s; the plastic pencil was commercialised by Empire as the "EPCON" Pencil.