23 Utility and 5 Design Patents
#35 in Cheshire, CT
#1,482 in Connecticut
#69,245 in US
#135,253 in the World
rank by utility patentsForward Citations = 255
Company Filing History:



4. 1 out of 1
The Siemon-dynamic Manufacturing Co.
5. 1 out of 1
The Siemon-dynamic Mfg. Company
where one patent can have more than one assignee
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