8 Utility and 7 Design Patents
#1,078 in Chicago, IL
#9,666 in Illinois
#254,388 in US
#520,941 in the World
rank by utility patentsForward Citations = 253
Company Filing History:
Talk-a-phone Co.
Newell Operating Company

4. 1 out of 832,680 patents
Other
5. 1 out of 22,475

where one patent can have more than one assignee
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