Surrey
Canada
2
2010-05-20
2
2011-08-23
These are the the leading inventors for applications assigned to Raymond J. Roussy:
Raymond J. Roussy based in Surrey, CA has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Method and system for installing cast-in-place concrete piles with a sonic drill
#2 | 2009-03-12 ✅ Patent 7,647,988 granted on 2010-01-19Method and system for installing geothermal transfer apparatuses with a sonic drill
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