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USPTO Patent Rankings Data through Dec 31, 2025
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Robert John Ragan — 4 Patents

Abbott: 4 patents #1,828 of 5,509Top 35%
Gahanna, OH: #71 of 257 inventorsTop 30%
Ohio: #19,019 of 73,341 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Robert John Ragan has been granted 4 US patents while listed as an inventor at Abbott. The first was granted in 1997 and the most recent in October 1998. Robert John Ragan ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Robert John Ragan in Gahanna, OH, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5817351 Calcium fortified low pH beverage Normanella T. DeWille, Michael A. Chandler, Terrence B. Mazer, Gregory A. Snowden, Maureen Elizabeth Geraghty +1 more 1998-10-06 $75,723,000
5698222 Calcium supplement Terrence B. Mazer, Normanella T. DeWille, Michael A. Chandler, Gregory A. Snowden, Maureen Elizabeth Geraghty +2 more 1997-12-16 $31,782,000
5609897 Powdered beverage concentrate or additive fortified with calcium and vitamin D Michael A. Chandler, Normanella T. DeWille, Terrence B. Mazer, Gregory A. Snowden, Maureen Elizabeth Geraghty +2 more 1997-03-11 $43,505,000
5597595 Low pH beverage fortified with calcium and vitamin D Normanella T. DeWille, Michael A. Chandler, Terrence B. Mazer, Gregory A. Snowden, Maureen Elizabeth Geraghty +1 more 1997-01-28 $22,309,000