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| Patents for Frank James Gresham | |||||
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| Picture | Number | Date | Patentee | Title | |
 | GB-189,910,593 | Mar. 24, 1900 | F.J. Gresham, J. Gresham | Improvements in Injectors | |
 | GB-190,016,537 | Sep. 14, 1901 | F.J. Gresham, J. Gresham | Improvements in or Applicable to Injectors. | |
 | GB-191,311,269 | Mar. 12, 1914 | F.J. Gresham, H.E. Gresham | Improvements in and relating to Steam Injectors. | |
 | GB-191,329,328 | Mar. 12, 1914 | F.J. Gresham, H.E. Gresham | Improvements in and Relating to Steam Injectors | |