US Number-Issued Patents (1836-1861, 1866-1920)

Improved anti-friction roller for propeller-shafts

Improved anti-friction roller for propeller-shafts

Inventor Name

Files

Patent Date

1860-08-14

Patent Number

US 0029570 A

Location

Augusta, Richmond County

Copyright

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Improved anti-friction roller for propeller-shafts

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