Marchant Documents Relating to Patents, 1921-1946
date: label: date made
content: 1921-1946
name: label: maker
content: Marchant Calculators
notes: label: Description
content: This set of documents consists of three cardboard-bound notebooks with duct tape as spines. Each notebook contains documents relating to a different U.S. patent or patent case. These are:
label: Description
content: 1. 1,379,009 - Carl M. F. Friden patent for an "improvement in calculating machines", granted May 24, 1921.
label: Description
content: 2. 1,890,776 - Carl M. F. Friden patent for an "improvement in calculating machines" granted December 13, 1932
label: Description
content: 3. testimony and rules in the case of George C. Chase (of Monroe) vs.Harold T/ Avery (of Marchnat) - Interference Number 69901 - 1934-1939
label: Description
content: For a general introduction to the Marchant Calculating Machine Company and SCM collection, see 1979.3084.10.
label: Location
content: Currently not on view
topic: label: Subject
content: Mathematics
setName: label: See more items in
content: Medicine and Science: Mathematics
label: See more items in
content: Calculating Machines
creditLine: label: Credit Line
content: Gift of SCM Corporation, SCM Business Equipment
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1979.3084.015
label: catalog number
content: 1979.3084.015
label: nonaccession number
content: 1979.3084
objectType: label: Object Name
content: Sheets, 3 Sets Of
physicalDescription: label: Physical Description
content: paper (overall material)
label: Measurements
content: overall: 5.3 cm x 34.5 cm x 23 cm; 2 3/32 in x 13 19/32 in x 9 1/16 in