Assertion: carrier | /r/HasProperty | granted for apparatus
Facets:
value: on january
type: TEMPORAL
value: for treating air
type: PURPOSE
Source sentences:
text: After several more years of refinement and field testing, on January 2, 1906, Carrier was granted U.S. Patent 808,897 for an Apparatus for Treating Air, the world's first spray-type air conditioning equipment.