Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David J. Lester — 5 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David J. Lester has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in June 2001. David J. Lester ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David J. Lester in Gif-sur-Yvette, CO, FR.

Patents per Year

Patents granted per year, 1980 to 2001Bar chart with a peak of 1 patents in 1980.peak 11980: 1 patents19801996: 1 patents19961997: 1 patents19971999: 1 patents19992001: 1 patents2001

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D443297 Novelty greeting card Arthur S Earl, David Lester 2001-06-05
5965276 Method of forming a membrane especially a latex or polymer membrane including multiple discrete layers Robin R. T. Shlenker, Clive C. Solomons, Sebastian S. Plamthottam 1999-10-12
5679399 Method of forming a membrane, especially a latex or polymer membrane, including multiple discrete layers Robin R. T. Shlenker, Clive C. Solomons, Sebastian S. Plamthottam 1997-10-21
5549924 Method of forming a membrane, especially a latex or polymer membrane, including a deactivating barrier and indicating layer Robin R. T. Shlenker, Clive C. Solomons 1996-08-27
4220588 Chemical processes Derek H. R. Barton, Steven Ley 1980-09-02