William J. Stepp

📍 Lake Station, IN: #3 of 12 inventorsTop 25%

🗺 Indiana: #13,671 of 33,936 inventorsTop 45%

Overall (All Time): #2,363,878 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4406584	Vertical axis windmill with multistage feathering of blades and safety storm control	—	1983-09-27
4203707	Windmill with automatic feathering control and storm protection	—	1980-05-20