22 Utility Patents
#4 in DeSoto, TX
#5,106 in Texas
#75,027 in US
#147,163 in the World
Forward Citations = 484
Company Filing History:
Elkcorp
Elk Premium Building Products, Inc.
Building Materials Investment Corporation
4. 4 out of 18
Elk Corporation of Dallas
5. 1 out of 832,398 patents
Other
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