Frank E. Ehrenfeld, Jr.

CO Congoleum: 3 patents #15 of 73Top 25%

📍 Levittown, PA: #143 of 461 inventorsTop 35%

🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%

Overall (All Time): #1,679,263 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4500319	Textured pile fabrics	—	1985-02-19
4443505	Embossing pile fabrics and embossed loop pile fabric	—	1984-04-17
4340381	Textured pile fabrics	—	1982-07-20