| Patents for Coleman J. Manning |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
| | 677,674 | Jul. 02, 1901 | C.J. Manning | Recording Gage of Steam Pressure on Boilers |
| | 768,473 | Aug. 23, 1904 | C.J. Manning | Recording Pen |
| | 785,677 | Mar. 21, 1905 | C.J. Manning | Recording Gage |
| | 957,471 | May 10, 1910 | C.J. Manning | Pressure Gage |
| | 1,043,618 | Nov. 05, 1912 | C.J. Manning | Pressure Gage |
| | 1,044,678 | Nov. 19, 1912 | C.J. Manning | Recording Low Pressure Gage |
| | 1,100,756 | Jun. 23, 1914 | C.J. Manning | Double Spring Gage |
 | 1,160,426 | Nov. 16, 1915 | C.J. Manning | Altitude Gage |
| | 1,166,070 | Dec. 28, 1915 | C.J. Manning | Gage for Indicating Fluid Pressures |
| | 1,169,982 | Feb. 01, 1916 | C.J. Manning | Pressure Gage |
