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| Patents for J. Parkinson & Son | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-188,505,114 | Apr. 24, 1885 | J. Parkinson | Parallel vice | bench vises | |
| DE-34,190 | Jun. 18, 1885 | J. Parkinson | Parallel vise | bench vises | |
| CA-23,982 | May 06, 1886 | J. Parkinson | Parallel vice and stand therefor | bench vises | |
| 394,292 | Dec. 11, 1888 | J. Parkinson | Vise | bench vises | |
| GB-190,000,226 | Nov. 17, 1900 | J. Parkinson | Improvements in and relating to automatic milling machines | milling machines | |