EF

Elmer J. Frey

WI Wilson Industries: 2 patents #2 of 11Top 20%
📍 Lexington, MA: #1,345 of 2,299 inventorsTop 60%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,354,578 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4537067 Inertial borehole survey system Harper E. Sharp, Leo Spiegel, Richard M. Masters, John R. Howatt, Gary E. Walker 1985-08-27
4454756 Inertial borehole survey system Harper E. Sharp, Leo Spiegel, Richard M. Masters, John R. Howatt, Gary E. Walker 1984-06-19