John Frederick Ringlein

📍 Naperville, IL: #1,065 of 3,051 inventorsTop 35%

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

Overall (All Time): #1,506,437 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
9332839	Desk mounted vertically adjustable stand up desk	—	2016-05-10
D734186	Ruler	—	2015-07-14
D699246	Electronic device holder with pencil cup	—	2014-02-11