47 Utility and 1 Design Patents
#12 in Knoxville, TN
#126 in Tennessee
#22,540 in US
#42,315 in the World
rank by utility patentsForward Citations = 585
Company Filing History:
Zellweger Uster, Inc.
Shofner Engineering Associates, Inc.
Ppm, Inc.
4. 3 out of 4
Premier Polytronics Ltd.
5. 3 out of 1,031

where one patent can have more than one assignee
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