Ralph P. Gumpesberger

📍 London, GB: #6 of 15 inventorsTop 40%

Overall (2019): #305,921 of 560,194Top 55%

Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D839498	Sifting litter box	Nicholas Petty	2019-01-29