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H. & H. Patent Developing Co. patents for cryptographic machine for interpreting coded messages : Oakland, California, granted by the Government of Mexico, 1913-1921.
BANC MSS 2004/453 cm; BANC MSS 2004/453 cm
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Collection Overview

Title:

H. & H. Patent Developing Co. patents for cryptographic machine for interpreting coded messages: Oakland, California, granted by the Government of Mexico, 1913-1921

Creator/Contributor:

H. & H. Patent Developing Co, creator

Creator/Contributor:

Wright, Francis Michael.

Abstract:

Includes 2 patents granted by the Mexican government for cryptographic machines and parts including diagrams. Also includes correspondence with office of Francis M. Wright, San Francisco, Calif., registered solicitor of U.S. and foreign patents concerning Mexican, Belgian and Italian patents.

Date:

1913 (issued)

Subject:

n-mx---
Wright, Francis Michael -- Correspondence
Patents -- Mexico
Cryptography equipment industry -- History

Type:

Patents (licences)

Physical Description:

print
1 folder.

Language:

Spanish

Identifier:

BANC MSS 2004/453 cm
BANC MSS 2004/453 cm

Origin:

Mexico