Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RM

Ralph Mitchell — 1 Patent

JMJoy Manufacturing: 1 patents #39 of 116Top 35%
Chambersburg, PA: #95 of 197 inventorsTop 50%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Ralph Mitchell has been granted 1 US patent while listed as an inventor at Joy Manufacturing. All of these patents were granted in 1981. Ralph Mitchell ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ralph Mitchell in Chambersburg, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4258957 Cutting machine nose shoe 1981-03-31 $5,116,000