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| Patents for P. W. Pezzeth | |||||
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| Number | Date | Patentee | Title | Type | |
| 664,211 | Dec. 18, 1900 | E.C. Clapp | Micrometer Gage | micrometers | |
| 679,934 | Aug. 06, 1901 | R.W. Bailey | Protractor Attachment for Center Finding Instruments | protractors | |