Atascadero, California
United States
3
2009-08-13
Michael Frederick from Atascadero, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Modified box scraper system and apparatus with implement for fine grading
#2 | 2009-08-13Modified box scraper system and apparatus with trench backfill blade
#3 | 2008-03-06Modified box scraper system and apparatus
4002000 ⎘