$ParkerVision, Inc.(PRKR)$ 8-K - Current report Filed: 2018-09-19 AccNo: 0000914139-18-000069 Size: 475 KBItem 1.01: Entry into a Material Definitive AgreementItem 3.02: Unregistered Sales of Equity SecuritiesItem 9.01: Financial Statements and Exhibits 网页链接