HJ

Howard W. Keithley, Jr.

UN Unknown: 6 patents #2,010 of 83,584Top 3%
📍 Adelphi, MD: #16 of 85 inventorsTop 20%
🗺 Maryland: #10,129 of 35,612 inventorsTop 30%
Overall (All Time): #1,666,809 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4940009 Shape adaptable protective cushion device and method of making and using same 1990-07-10
4901420 Method of making and using a shape adaptable protective cushioning device 1990-02-20
4694774 Shape adaptable protective cushion device and method of making and using same 1987-09-22