Klaus Woltmann

WB Willinger Brothers: 2 patents #2 of 3Top 70%

📍 New York, NY: #38 of 482 inventorsTop 8%

🗺 New York: #487 of 5,342 inventorsTop 10%

Overall (1989): #21,976 of 140,708Top 20%

Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4880549	Method of filtering in an aquarium tank with a filter envelope	Allan H. Willinger	1989-11-14
4842727	Aquarium filter	Allan H. Willinger	1989-06-27