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USPTO Patent Rankings Data through Sept 30, 2025
MJ

Marvin B. Johnson, Jr.

Elkhart, KS: #1 of 6 inventorsTop 20%
Kansas: #2,060 of 12,005 inventorsTop 20%
Overall (All Time): #1,046,651 of 4,157,543Top 30%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6233874 Free-standing safety gate 2001-05-22
5632514 Juvenile safety gate latch for swing gate 1997-05-27
5457914 Safety gate for juveniles with security brackets 1995-10-17
5199415 Adjustable fireplace hearth shield assembly 1993-04-06
4647050 Stuffing box for a sucker rod pump assembly 1987-03-03