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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David E. Snead — 4 Patents

3S3D Systems: 4 patents #79 of 374Top 25%
Santa Clarita, CA: #258 of 1,031 inventorsTop 30%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David E. Snead has been granted 4 US patents while listed as an inventor at 3D Systems. The first was granted in 1994 and the most recent in December 2001. David E. Snead ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David E. Snead in Santa Clarita, CA, US.

Patents per Year

Patents granted per year, 1994 to 2001Bar chart with a peak of 1 patents in 1994.peak 11994: 1 patents19941996: 1 patents19961998: 1 patents19982001: 1 patents2001

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6333741 Boolean layer comparison slice Dennis R. Smalley, Adam L. Cohen, Joseph W. Allison, Thomas J. Vorgitch, Thomas P. Chen 2001-12-25
5854748 Boolean layer comparison slice Dennis R. Smalley, Adam L. Cohen, Joseph W. Allison, Thomas J. Vorgitch, Thomas P. Chen 1998-12-29 $1,407,000
5481470 Boolean layer comparison slice Dennis R. Smalley, Adam L. Cohen, Joseph W. Allison, Thomas J. Vorgitch, Thomas P. Chen 1996-01-02 $3,131,000
5321622 Boolean layer comparison slice Dennis R. Smalley, Adam L. Cohen, Joseph W. Allison, Thomas J. Vorgitch, Thomas P. Chen 1994-06-14 $1,931,000