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John J. Schleffendorf

📍 Waukegan, IL: #97 of 352 inventorsTop 30%
🗺 Illinois: #17,877 of 84,256 inventorsTop 25%
Overall (All Time): #1,064,371 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4648594 Body training device 1987-03-10
4632388 Exercising system with cable, pulleys and weights 1986-12-30
4625959 Weight guide for exercising machine 1986-12-02
4515363 Weight lifting exerciser 1985-05-07
4290597 Physical exercise apparatus 1981-09-22