Kenneth F. Andrew

NP North American Philips: 1 patents #281 of 645Top 45%

📍 Pittsburgh, PA: #4,559 of 7,570 inventorsTop 65%

🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%

Overall (All Time): #3,967,305 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4639639	High-pressure sodium vapor lamp and ternary amalgam therefor	Chikara Hirayama	1987-01-27