Assertion: jean | /r/HasProperty | patented by jacob w. davis
Facets:
value: on may
type: TEMPORAL
Source sentences:
text: Often the term "jeans" refers to a particular style of trousers, called "blue jeans", which were invented by Jacob W. Davis in partnership with Levi Strauss & Co. in 1871 and patented by Jacob W. Davis and Levi Strauss on May 20, 1873.