Chester L. Richards, Sr.

📍 Glendale, CA: #333 of 1,191 inventorsTop 30%

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

Overall (All Time): #1,674,633 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4704028	Vacuum printing frame	—	1987-11-03
4636067	Photography pin board system	—	1987-01-13
4504142	Photography printing frame	—	1985-03-12