LD

Lawrence O. Day

SC Speedfam Co.: 3 patents #15 of 105Top 15%
📍 Fremont, CA: #4,197 of 9,298 inventorsTop 50%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,640,028 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5803798 Dual column abrading machine Joseph V. Cesna 1998-09-08
5782678 Dual column abrading machine Joseph V. Cesna 1998-07-21
5595529 Dual column abrading machine Joseph V. Cesna 1997-01-21