73 Utility and 11 Design Patents
#1 in Toluca Lake, CA
#3,272 in California
#9,953 in US
#18,248 in the World
rank by utility patentsForward Citations = 910
Company Filing History:

Tranzonic Companies
Other
4. 1 out of 3
Metro Bay Products, Inc.
5. 1 out of 1
Harper Bursh Works, Inc,
where one patent can have more than one assignee
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