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US Patent: 216,624
Improvement in devices for suspending swings, &c.
Patentees:
Matthias C. Mayo (exact or similar names) - Boston, MA
Benjamin Noyes (exact or similar names) - Boston, MA

USPTO Classifications:
248/340, 294/85

Tool Categories:

Assignees:
Granville M. Thomas - Melrose, MA
James Pitts Bridge - Tyngsborough, MA

Manufacturer:
Not known to have been produced

Witnesses:
Louis A. Curtis
F. Hunnewell

Patent Dates:
Applied: Feb. 25, 1879
Granted: Jun. 17, 1879

Patent Pictures:
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Description:
Co-inventor M. C. Mayo is best remembered as obtaining an 1875 patent for a distinctive plow plane that he may have manufactured himself in small quantities. His planes exhibited at the Centennial Exhibition in Philadelphia where they were commended by the judges as "Good and well finished tools."

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