Jack R. Kingman

TM The Frog Switch And Manufacturing: 1 patents #2 of 8Top 25%

📍 Wampum, PA: #5 of 8 inventorsTop 65%

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

Overall (All Time): #3,763,413 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5386868	Apparatus and method of cooling refractory sand based on dew point temperature	Gordon O. Perkins	1995-02-07