John Dennis Hallman

📍 Punxsutawney, PA: #12 of 42 inventorsTop 30%

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%

Overall (All Time): #2,088,509 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
8151470	Apparatus and method for alleviating ice freeze-up of vehicle windows	—	2012-04-10
D543808	Tool for alleviating ice freeze-up of vehicle windows	—	2007-06-05