LIST OF PATENTS, Issued from the United States Patent Office for the week ending April 7, of interest to firemen. Specially reported for THE FIREMAN’S JOURNAL by Geo. R. Byington, solicitor of patents, Washington, D. C. D. T. Young, Davenport, Iowa, hook and ladder truck. L. Campbell, Alexandria, Va., apparatus for lighting the fires of steam fire engines. Wm. Gee, New York, assignor one-half to A. E. Hendrick, chemical fire extinguisher.