12 Utility and 19 Design Patents
#4 in Powell, OH
#410 in Ohio
#5,737 in US
#10,066 in the World
rank by design patentsForward Citations = 687
Company Filing History:
The W. B. Marvin Manufacturing Company
Arcair Company

4. 2 out of 157

5. 2 out of 2
Zoetech, Inc.
where one patent can have more than one assignee
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