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US Patent: 1,441,862
Sound reproducer for talking machines
Patentee:
Swan J. Leveen (exact or similar names) - Rock Island, IL

USPTO Classifications:
369/163

Tool Categories:

Assignees:
Carl E. Shields - Rock Island, IL
Swan J. Leveen - Rock Island, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 07, 1920
Granted: Jan. 09, 1923

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Rock Island Mfg. Co.
Description:
Assignee Shields was president and co-owner of vise maker Rock Island Mfg. Co.

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