Derek J. Stone — 1 Patent at Cipher Data Products

Derek J. Stone — 1 Patent

CPCipher Data Products: 1 patents #11 of 24Top 50%

San Diego, CA: #15,804 of 23,606 inventorsTop 70%

California: #249,524 of 386,348 inventorsTop 65%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

Derek J. Stone has been granted 1 US patent while listed as an inventor at Cipher Data Products. All of these patents were granted in 1981. Derek J. Stone ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Derek J. Stone in San Diego, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4243186	Low profile magnetic tape drive with vacuum actuated auto-threading	Jack Peter, Karl B. Offerman, Larry D. Brown	1981-01-06

Derek J. Stone — 1 Patent

Issued Patents All Time

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