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| Patents for Ralph William Jorres | |||||
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| Number | Date | Patentee | Title | Type | |
| 406,219 | Jul. 02, 1889 | R.W. Jorres | Machine for forming ornamental spiral grooves | routing machines | |
| 667,981 | Feb. 12, 1901 | R.W. Jorres | Machine for turning bobbins | spool or bobbin machines | |