Frederick H. Ihlenburg

AM Amazon: 1 patents #10,608 of 19,158Top 60%

📍 Lake Oswego, OR: #273 of 769 inventorsTop 40%

🗺 Oregon: #8,503 of 28,073 inventorsTop 35%

Overall (All Time): #1,282,025 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5873184	Cleated athletic shoe sole for traction and stability	—	1999-02-23
4914838	Sport shoe with metatarsal cradle and drag toe	—	1990-04-10
D292443	Athletic shoe sole	—	1987-10-27
4689901	Reduced torsion resistance athletic shoe sole	—	1987-09-01