Paul Heusinkveld

UN Unknown: 4 patents #4,220 of 83,584Top 6%

📍 Arlington, VA: #508 of 1,838 inventorsTop 30%

🗺 Virginia: #9,471 of 34,511 inventorsTop 30%

Overall (All Time): #1,671,680 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4865323	Spherical puzzle	—	1989-09-12
4791408	Keyboard for one-hand operation	—	1988-12-13
4607970	Binder for perforated sheets	—	1986-08-26