Jeff Friend

📍 Alameda, CA: #521 of 1,067 inventorsTop 50%

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

Overall (All Time): #2,250,487 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5918705	Building elevator door restrictor	—	1999-07-06
5386882	Wire rope cleaning brush apparatus	—	1995-02-07