John Crockran, Jr.

📍 Chicago, IL: #5,168 of 13,327 inventorsTop 40%

🗺 Illinois: #34,584 of 84,256 inventorsTop 45%

Overall (All Time): #1,974,681 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
9578409	Headgear for receiving and holding portable audio device and earphones	—	2017-02-21
9071903	Headgear for receiving and holding portable audio device and earphones	—	2015-06-30