William Caswell

📍 Perry, IA: #4 of 22 inventorsTop 20%

🗺 Iowa: #6,094 of 15,303 inventorsTop 40%

Overall (All Time): #1,790,821 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
12170076	Adaptation and modification of a Theremin system	—	2024-12-17
D293166	Wire wheel brush	—	1987-12-15