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Inventors
ORVILLE
Charles V. Richey
Main Entry
Charles V. Richey
Patent Title
Time Control System for Telephone
Family Name
Richey
Given Name
Charles
Middle Name
V.
Patent Date
February 14, 1933
Patent Number
1,897,533
Location
NY
Item sets
INDEX OF BLACK INVENTORS BY STATE OR COUNTRY OF RESIDENCE 1834-2008