Donald A. Hobson

📍 Los Angeles, CA: #3,695 of 12,377 inventorsTop 30%

🗺 California: #149,087 of 386,348 inventorsTop 40%

Overall (All Time): #1,573,561 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
7478643	Umbrella cover	—	2009-01-20
6929588	Exercise equipment	—	2005-08-16
6237999	Child car seat	—	2001-05-29