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

John Eugene McCallum — 1 Patent

TETextron: 1 patents #316 of 575Top 55%
York, SC: #35 of 70 inventorsTop 50%
South Carolina: #8,475 of 15,501 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
John Eugene McCallum has been granted 1 US patent while listed as an inventor at Textron. All of these patents were granted in 1994. John Eugene McCallum ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John Eugene McCallum in York, SC, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D342875 Power head for a vegetation cutter Jeffery S. Franke, Claudia A. Isaacs, Kenneth E. Mason 1994-01-04