Calgary
Canada
3
2013-11-14
The entities that hold a legal rights for patent applications filed by inventor MAHMOUDKHANI Amir:
Amir MAHMOUDKHANI from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Oil and gas well cement systems using elemental sulfur
#2 | 2009-10-01Oil and gas well cement systems using elemental sulfur
#3 | 2009-04-23Pumice containing compositions for cementing a well
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