Donna E. Richards

📍 Riverside, CA: #229 of 1,241 inventorsTop 20%

🗺 California: #124,610 of 386,348 inventorsTop 35%

Overall (All Time): #1,236,579 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
D631329	Adjustable paper and cable retainer	—	2011-01-25
D631330	Adjustable paper and cable retainer	—	2011-01-25
5423624	Hinged loose-leaf retainer system	—	1995-06-13
4932804	Loose leaf retainer for file folders	—	1990-06-12