One of R&H Muffler’s employees was reportedly injured at work a month after the company’s insurance producer — Richard Friedenberg, of Klafter Northern Insurance Services — allegedly told R&H he succeeded in obtaining workers’ compensation coverage for the firm from Travelers Insurance Co. based on an email exchange with a Travelers underwriter, Melissa Bloor. But Travelers insisted that the policy proposal generated when Friedenberg logged into a Traveler’s computer portal was …