John B. McGowan, Jr.

UI Umac Incorporated: 1 patents #6 of 11Top 55%

📍 Malvern, PA: #338 of 529 inventorsTop 65%

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

Overall (All Time): #3,673,046 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5704391	Gravity-operated gas shut-off valve	Joseph M. McGinnis	1998-01-06