5 Utility and 2 Design Patents
#15 in Narragansett, RI
#1,034 in Rhode Island
#397,461 in US
#826,260 in the World
rank by utility patentsForward Citations = 146
Company Filing History:
Sargent Manufacturing Company
Securitron Magnalock Corporation
Corbin Russwin, Inc.
4. 1 out of 1
Single Access Lock, Inc.
where one patent can have more than one assignee
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