Ross M. Castle

📍 Florissant, MO: #115 of 452 inventorsTop 30%

🗺 Missouri: #6,609 of 23,789 inventorsTop 30%

Overall (All Time): #1,670,682 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D301043	Combined mechanical pencil and scale therefor	—	1989-05-09
4506477	Curtain rod for sliding glass door	—	1985-03-26
4277913	Curtain rod for sliding glass door	—	1981-07-14