| Patents for Ada E. Hagerty |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 692,476 | Feb. 04, 1902 | F. Richardson | Tool Heater | |
| 724,077 | Mar. 31, 1903 | J.A. Bengston | Mortise Gage | marking gauges |
| 729,970 | Jun. 02, 1903 | F. Spalding | Micrometer Calipers | micrometers |
| 761,328 | May 31, 1904 | F. Spalding | Micrometer Calipers | micrometers |
| 761,929 | Jun. 07, 1904 | C.L. Weld | Try Square | try squares |
| 763,076 | Jun. 21, 1904 | F. Spalding | Depth Gage | micrometer depth gauges |
| 769,196 | Sep. 06, 1904 | F. Spalding | Combination Tool | try squares |
| 769,197 | Sep. 06, 1904 | F. Spaulding | Micrometer Calipers | micrometers |
| 790,665 | May 23, 1905 | F. Spalding | Micrometer Calipers | micrometers |
| 796,612 | Aug. 08, 1905 | F. Spalding | Screw Gage | thread gages |
| 842,263 | Jan. 29, 1907 | F. Spalding | Micrometer Calipers | inside micrometers |
| 889,409 | Jun. 02, 1908 | F. Spalding | Automatic Center Punch | punches |
| 893,942 | Jul. 21, 1908 | E.B. Sellew | Tool-holder | lathe tool holders and tool posts |
| 902,492 | Oct. 27, 1908 | F.O. Jaques, Jr. | Micrometer Calipers | micrometers |
| 951,491 | Mar. 08, 1910 | F. Spaulding | Speed Indicator | measurement gauges |
