66 Utility and 33 Design Patents
#1 in Fairport Harbor, OH
#283 in Ohio
#12,084 in US
#22,279 in the World
rank by utility patentsForward Citations = 1,527
Company Filing History:

Other

4. 1 out of 1
Durpet's Co.
5. 1 out of 1
Napro, Inc.
where one patent can have more than one assignee
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