Eugene R. Machi

📍 Lafayette, CA: #267 of 569 inventorsTop 50%

🗺 California: #185,134 of 386,348 inventorsTop 50%

Overall (All Time): #2,164,210 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7013912	Apparatus and system for utility waste and venting	—	2006-03-21
6986228	Method and apparatus for utility waste and venting systems	—	2006-01-17