David Jon Rosenkrantz

📍 Emmaus, PA: #118 of 365 inventorsTop 35%

🗺 Pennsylvania: #19,182 of 74,527 inventorsTop 30%

Overall (All Time): #1,204,121 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
9346614	Internal floating roof for covering fluid bodies in storage tanks	—	2016-05-24
8727161	Rim space seal system for use with internal floating roof	—	2014-05-20
5704509	Full contact floating roof	—	1998-01-06
5372270	Shoe seal for floating roof	—	1994-12-13