Wallace R. Crossan, Jr.

TF The Fredericks: 2 patents #2 of 14Top 15%

📍 Huntingdon Valley, PA: #82 of 195 inventorsTop 45%

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

Overall (All Time): #2,218,365 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6453571	Thermocouple tilt sensing device	—	2002-09-24
5630280	Dual axis electrolytic tilt sensor	—	1997-05-20