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| Patents for T. S. Harrison & Sons, Ltd. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | GB-533,864 | Feb. 21, 1941 | E.C. Ashton | Improvements in or relating to motor driven grinding or abrading machines | |
 | GB-1,190,810 | May 06, 1970 | A.J. Firth | Improvements in or Relating to Gear Systems Through Which a Shaft is Driven | |