LIST OF PATENTS. PATENTS EXPIRING MARCH 12, 1889. Reported by F. B. Brock, Patent Attorney, 639 F street, Washington, D. C. [These devices after the above date will be public property, and may be freely used by anyone so dis- posed. Drawings and specifications of any patent will be furnished at cost, fifteen cents each, by Mr. Brock. E. Barrett, fire extinguisher. J. Gardner, fire extinguisher. C. G. Buttkereit, fire escape ladder. H. Cutler, artificial fuel. J. Kidd, gas from coal tar.