Assertion: wireless headset | /r/HasProperty | invented by plantronics
Facets:
value: jointly
type: MANNER
value: during apollo program
type: TEMPORAL
Source sentences:
text: The first wireless headsets were jointly invented by NASA and Plantronics during Apollo program to improve astronaut's communications during mission.
text: The first wireless headsets were jointly invented by NASA and Plantronics during Apollo program to improve astronaut's communications during mission.