Edmond, Oklahoma
United States
8
2010-10-14
8
2010-10-19
These are the the leading inventors for applications assigned to Airfield Systems, L.L.C.:
Airfield Systems, L.L.C. based in Edmond, US has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Subsurface drainage system and drain structure therefor
#2 | 2009-07-02 ✅ Patent 7,938,597 granted on 2011-05-10Subsurface drainage system and drain structure therefor
#3 | 2008-04-24 ✅ Patent 7,578,635 granted on 2009-08-25Subsurface drainage system and method of installing the same
#4 | 2008-03-06 ✅ Patent 7,503,726 granted on 2009-03-17Subsurface drainage system and drain structure therefor
#5 | 2006-12-07 ✅ Patent 7,341,401 granted on 2008-03-11Subsurface drainage system and drain structure therefor
#6 | 2006-06-08 ✅ Patent 7,201,538 granted on 2007-04-10Subsurface drainage system and drain structure therefor
#7 | 2006-06-08 ✅ Patent 7,290,958 granted on 2007-11-06Subsurface drainage system and drain structure therefor
#8 | 2006-04-13 ✅ Patent 7,108,454 granted on 2006-09-19Subsurface drainage system and drain structure therefor
366985 ⎘