Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Melba Mack — 2 Patents

PepsiCo: 2 patents #557 of 1,581Top 40%
Dallas, TX: #3,097 of 7,543 inventorsTop 45%
Texas: #52,941 of 125,132 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Melba Mack has been granted 2 US patents while listed as an inventor at PepsiCo. The first was granted in 1986 and the most recent in February 1989. Melba Mack ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Melba Mack in Dallas, TX, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4808422 Center-filled food products Wendell Ward, Surinder Kumar, Lewis Conrad Keller, Margaret Fitzwater 1989-02-28 $23,563,000
4613509 Process for producing center-filled food products Wendell Ward, Surinder Kumar, Lewis Conrad Keller, Margaret Fitzwater 1986-09-23 $44,207,000