Thomas A. Ritzer

📍 Spirit Lake, IA: #31 of 74 inventorsTop 45%

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

Overall (All Time): #2,260,562 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D394498	Toilet seat	—	1998-05-19
D305357	Combination adult and child toilet seat and cover	—	1990-01-02