William J. Roling — 2 Patents at Control Data

William J. Roling — 2 Patents

CDControl Data: 1 patents #56 of 192Top 30%

MPMagnetic Peripherals: 1 patents #58 of 149Top 40%

Richfield, MN: #117 of 268 inventorsTop 45%

Minnesota: #24,068 of 52,454 inventorsTop 50%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

William J. Roling has been granted 2 US patents while listed as an inventor at Control Data. The first was granted in 1980 and the most recent in March 1983. William J. Roling ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William J. Roling in Richfield, MN, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4378576	Removable disc media	—	1983-03-29
4224648	Disc centering	—	1980-09-23

William J. Roling — 2 Patents

Issued Patents All Time

Patent Widget