9 Utility Patents
#42 in Paradise Valley, AZ
#3,602 in Arizona
#224,661 in US
#458,611 in the World
Forward Citations = 57
Company Filing History:

The Carborundum Company
Crystalline Materials Corporation
4. 1 out of 832,718 patents
Other
5. 1 out of 1
Carborundum Corporation
where one patent can have more than one assignee
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