United States, Sept. 28 -- JLL Capital Markets announced today the $43.5 million sale and financing of 3 and 6 Riverside Drive, two premier flex/R&D properties totaling 171,764 square feet in Andover, Massachusetts.JLL represented the seller, Ciminelli Real Estate Corporation and Gordon Brothers, in the transaction. Hendrie Lane Capital and V12 Investments acquired the assets. JLL also arranged $28.61 million in acquisition financing for the buyer through Washington Trust.The properties are 100% leased to four tenants spanning medical equipment manufacturing, musical instrument production, aerospace defense R&D and analytical instrumentation sectors. Three of the four tenants operate their headquarters from the Riverside Drive campus, under...