AERRAGREEN
system for aerating and loosening septic system fields, leachfields, lawns, golf courses, athletic fields, recreational fields, parks, race tracks, nurseries, cemeteries, and lawns, namely, a gas injector comprising a long narrow probe which penetrates and fractures soil at various depths of six inches to depths of sixteen feet or greater and which insets remediating materials and nutrients into the channels opened by the injected gas
Abandoned · February 19, 1997 · 75244339 ·