====== Patent XC-182: 1843-02-20, Improvement upon a newly constructed suction and forcing pump ====== ^ X Number ^ Date ^ Inventor ^ City ^ Title ^ | XC-182 | 1843-02-20 | Asa H. Hough | Kingston, ON Canada | Improvement upon a newly constructed suction and forcing pump | ===== Comments ===== ===== Information Sources ===== (To be filled in.) ===== External links =====