Windsor, Calif.—Eric Flanagan, the owner of Flanagan Family Vineyards and the investment group Russian River Partners, purchased the Platt Vineyard in Sonoma County near Sebastopol, Calif. The vineyard is comprised of 17 acres of Pinot Noir, 13 acres of Chardonnay and 1.5 acres of Riesling. The new owners plan to continue to sell grapes to Littorai Wines, Ramey Wine Cellars, Radio-Coteau, Scherrer Winery and Red Car Wine Co.