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