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| Patents for Ernest Parkinson | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-190,817,469 | Jul. 01, 1909 | E. Parkinson | Improvements in and relating to operating vise screws | machinist vises | |
| GB-250,049 | Apr. 08, 1926 | E. Parkinson | Improvements in or relating to vises | bench vises | |