$PARAMETRIC SOUND CORP(HEAR)$ 8-K - Current report Filed: 2015-11-20 AccNo: 0001493761-15-000018 Size: 371 KBItem 1.01: Entry into a Material Definitive AgreementItem 2.03: Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a RegistrantItem 9.01: Financial 网页链接