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US Patent: 2,894,683
Mechanical indicating apparatus for computing machines
Patentee:
Edwin P. Davis (exact or similar names) - Denver, CO

USPTO Classifications:
235/59.0TP, 235/59T, 235/60.4, 235/61.0PD, 235/61A

Tool Categories:
electrical devices : computer apparatus and systems

Assignees:
Van Norman Industries, Inc. - Springfield, MA

Manufacturer:
Van Norman Industries, Inc. - Springfield, MA

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 24, 1955
Granted: Jul. 14, 1959

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Van Norman Machine Tool Co.
Description:
This patent relates to an electro-mechanical accounting calculator. It was assigned via mesne assignments to Van Norman; presumably it was originally assigned to Digit-Ometer Co. of Denver, CO. See Canada patents CA-565,711 and CA-579,568.

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