Patents
Patents Assigned to Hartley & Graham by the Inventor for BGI Co.
| Inventor’s Name(s) | Date Issued | Patent No. | Patent Description |
| S. Glover | Aug. 17, 1880 | 231,162 | Re-Decapper |
| J.H. Gill & C.S. Leet | Dec 26, 1882 | 269,782 | Powder & Shot Measure |
| Moulton & Crofut | Feb 25, 1880 | 422,243 | Powder & Shot Measure |
| W.N. Beardsley | Feb 9, 1882 | 468,529 | Jointed Cleaning Rod |
| Beardsley & Moulton | Feb 9, 1892 | 468,530 | Jointed Cleaning Rod |
| W.N. Beardsley | Dec 17, 1895 | 551,710 | Powder & Shot Measure |