Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 707,652
Calculator
Patentee:
Edward W. Sibley (exact or similar names) - Providence, RI

USPTO Classifications:
235/142, 235/144.0PN, 235/73

Tool Categories:

Assignees:
Henry Dunster, Jr. - Providence, RI
Horace Thurston - Providence, RI
Edward W. Sibley - Providence, RI

Manufacturer:
Not known to have been produced

Witnesses:
Benjamin Arnold
C. S. Marsh

Patent Dates:
Applied: Jul. 03, 1901
Granted: Aug. 26, 1902

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Thurston Mfg. Co.
Description:
This mechanical calculator performs addition, multiplication and division.

Copyright © 2002-2024 - DATAMP