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Patents for Holdridge Manufacturing Co.
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
2,452,757	Nov. 02, 1948	W.B. Holdridge	Lathe radii attachment	metal lathe accessories and attachments
3,070,238	Dec. 25, 1962	W.B. Holdridge	Automatic bar feeder for lathe	metal lathe accessories and attachments

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