John Dervis

UN Unknown: 1 patents #29,356 of 83,584Top 40%

📍 Bartlett, IL: #360 of 601 inventorsTop 60%

🗺 Illinois: #48,934 of 84,256 inventorsTop 60%

Overall (All Time): #3,582,261 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D442209	Compact guitar tool	—	2001-05-15