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USPTO Patent Rankings Data through Dec 31, 2025
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David E. Creaden — 11 Patents

LPLawrence Paper: 11 patents #2 of 15Top 15%
Lawrence, KS: #65 of 744 inventorsTop 9%
Kansas: #862 of 12,005 inventorsTop 8%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
David E. Creaden has been granted 11 US patents while listed as an inventor at Lawrence Paper. The first was granted in 1988 and the most recent in December 1997. David E. Creaden ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list David E. Creaden in Lawrence, KS, US.

Patents per Year

Patents granted per year, 1988 to 1997Bar chart with a peak of 3 patents in 1994.peak 31988: 1 patents19881989: 1 patents19891991: 2 patents19911992: 1 patents19921993: 1 patents19931994: 3 patents19941996: 1 patents19961997: 1 patents1997

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
5699710 Slotter wheel mechanism having selectively rotatable slotter blade 1997-12-23
5540128 Selectively retractable slutter blade mechanism with remote activation/deactivation function 1996-07-30
5351589 Slotter wheel mechanism having dynamically retractable slotter blades 1994-10-04
5327804 Slotter wheel mechanism having dynamically retractable slotter blades 1994-07-12
5297462 Slotter wheel mechanism having dynamically retractable slotter blades 1994-03-29
D332571 Molded dunnage for fluorescent tubes 1993-01-19
D328034 Molded dunnage for fluorescent tubes 1992-07-21
5058744 Minimum length fluoroescent tube dunnage element 1991-10-22
5016751 Molded flourescent tube dunnage element 1991-05-21
D301013 Fluorescent tube dunnage 1989-05-09
4792045 Fluorescent tube dunnage 1988-12-20