Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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John D. Rentfrow — 1 Patent

JAJayco: 1 patents #4 of 17Top 25%
Three Rivers, MI: #390 of 578 inventorsTop 70%
Michigan: #50,030 of 86,293 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
John D. Rentfrow has been granted 1 US patent while listed as an inventor at Jayco. All of these patents were granted in 1998. John D. Rentfrow ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John D. Rentfrow in Three Rivers, MI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5755365 Spare tire carrier for towable trailers Paul B. Kellner 1998-05-26