Richard D. Harza

📍 Winnetka, IL: #59 of 229 inventorsTop 30%

🗺 Illinois: #26,653 of 84,256 inventorsTop 35%

Overall (All Time): #1,638,269 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5735575	Ergonomic antifatigue seating device and method	—	1998-04-07
5588704	Ergonomic antifatigue seating device and method	—	1996-12-31
5022385	Ergonomic anti-fatigue seating device and method	—	1991-06-11