US Patent: 3,737 - Method of applying circular saws for cutting off piles under water


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US Patent: 3,737

Method of applying circular saws for cutting off piles under water

Patentee:

Erastus E. Cole (exact or similar names) - Boston, MA

USPTO Classifications:

83/490

Tool Categories:

woodworking machines : circular saws

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Granted:	Sep. 14, 1844

Patent Pictures:

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Description:

According to the 1873 "Subject-matter index of patents for inventions issued by the United States Patent Office", this patent was granted an extension.