EXPIRING PATENTS.
DECEMBER 31, 1889.
[These patents are now free to be used by anyone. The devices are public property. A full copy of any patent will be mailed for fifteen cents by F. B. Brock Patent Attorney, 639 F street, Washington, D. C.J
E. A.. Day, elastic clasp for elastic nozzles.
H. Frank, metallurgic gas furnace valve.
T. F. Rowland, filling gas retort chargers.
J. Armstrong, feed water heater and niter.
Waters & Bellamy, composition pavement.
J. North, steam pump.
J. V. Jepson, tube cutter.
