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USPTO Patent Rankings Data through Dec 31, 2025
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David Francis — 3 Patents

MIMicrotime: 1 patents #2 of 4Top 50%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
David Francis has been granted 3 US patents while listed as an inventor at Microtime. The first was granted in 1981 and the most recent in February 2019. David Francis ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David Francis in Sydney, AZ, AU.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D840076 Indoor garden Ray Hart, Clive Solari, Lorenzo Pavesi, Ian Edwards 2019-02-05
6412850 Vehicle auxiliary sun visor assembly Steven J. Bierend, Albert O. Cota 2002-07-02
D259184 Digital clock Gladys M. Francis 1981-05-12