Home › Efc Systems › Gunnar van der Steur

Gunnar van der Steur

Chesapeake City, MD: #1 of 3 inventorsTop 35%

Maryland: #131 of 1,889 inventorsTop 7%

Overall (1997): #39,448 of 185,788Top 25%

2 Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5692264	Door stop	—	1997-12-02
5675865	Door stop	—	1997-10-14