Assertion: letter patent | /r/HasProperty | issued by the sovereign
Facets:
value: to inventors
type: TRANSITIVE-OBJECT
Source sentences:
text: In England such grants took the form of "letters patent", issued by the sovereign to inventors who petitioned and were approved: a grant of 1331 to John Kempe and his Company is the earliest authenticated instance of a royal grant made with the avowed purpose of instructing the English in a new industry.