Even though the COVID-19 virus has tossed the U.S. economy a curveball, don’t expect it to throw the latest addition to Denver’s skyline, a 30-story, speculative office building, for a loop. The so-called Block 162 is a joint venture of developers Patrinely Group LLC, Denver, and USAA Real Estate, San Antonio. When completed in late 2020, the tower will stand alone among the sources of new downtown Class-A office space for attracting legal, financial and technology-oriented tenants. In fact, Block 162 is one of a . . .