BF

Burt Filer

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Trevose, PA: #14 of 52 inventorsTop 30%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,685,836 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4292731 Tube removal machine 1981-10-06
4280274 Tube extracting apparatus 1981-07-28
4213239 Tube extractor 1980-07-22