Robert M. Rinke

📍 Cloquet, MN: #18 of 125 inventorsTop 15%

🗺 Minnesota: #15,886 of 52,454 inventorsTop 35%

Overall (All Time): #1,292,142 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
D356164	Pool ladder	—	1995-03-07
5044465	Retractable walk-in swimming pool ladder	—	1991-09-03
4848515	Portable swimming pool step device	—	1989-07-18
4599835	Insertable swimming pool step assembly	—	1986-07-15