5 Utility and 1 Design Patents
#1,158 in Phoenix, AZ
#6,357 in Arizona
#394,811 in US
#818,797 in the World
rank by utility patentsForward Citations = 31
Company Filing History:
Hanchett Entry Systems, Inc.
Securitron Magnalock Corporation
Sargent Manufacturing Company
4. 1 out of 1
Single Access Lock, Inc.
where one patent can have more than one assignee
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