Palmer Electric & Manufacturing Co. v. Underwriters' Laboratories, Inc.

The defendant is an Illinois corporation, established and maintained by the National Board of Fire Underwriters for the purpose of examining, testing and classifying devices and materials used in buildings, with respect to the degree of danger of bodily injury or of fire resulting from their use, and of reporting the results to fire insurance companies and to the manufacturers and producers of such devices and materials. The classification made by the defendant has become of importance to manufacturers and producers of many kinds of devices and materials, because public authorities frequently…