21 Utility Patents
#5 in Sylmar, CA
#23,070 in California
#80,254 in US
#157,806 in the World
Forward Citations = 233
Company Filing History:
Spears Manufacturing Co.
Other
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#5 in Sylmar, CA
#23,070 in California
#80,254 in US
#157,806 in the World
Company Filing History:
Get your Inventor Badge Today