10 Utility and 45 Design Patents
#2 in Newark, OH
#108 in Ohio
#1,516 in US
#2,530 in the World
rank by design patentsForward Citations = 692
Company Filing History:
Manville Corporation
Holophane
Holophane Company, Inc.
4. 5 out of 76
Nsi Enterprises, Inc.
5. 3 out of 16
Holophane Lighting, Inc.
where one patent can have more than one assignee
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