FR

Frank D. Ruble

EC Exclusive Design Company: 3 patents #2 of 18Top 15%
📍 Saratoga, CA: #1,541 of 2,933 inventorsTop 55%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,660,285 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5099615 Automated rigid-disk finishing system providing in-line process control John N. Walsh, Robert A. Smith 1992-03-31
5088240 Automated rigid-disk finishing system providing in-line process control John N. Walsh, Robert A. Smith 1992-02-18
4964242 Apparatus for texturing rigid-disks used in digital magnetic recording systems Roger R. Stearman, Robert A. Smith 1990-10-23