Efram Wolff

📍 Vashon, WA: #65 of 132 inventorsTop 50%

🗺 Washington: #35,300 of 76,902 inventorsTop 50%

Overall (All Time): #1,981,598 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
9653050	Mechanically fastened diaphragmatic guitar plectrum retainer	—	2017-05-16
8585472	Rotational tools for the engraving of intaglio printing plates	—	2013-11-19