WC

Willis R. Campbell

📍 Ephrata, PA: #1 of 7 inventorsTop 15%
🗺 Pennsylvania: #174 of 5,512 inventorsTop 4%
Overall (2002): #11,039 of 266,432Top 5%
4
Patents 2002

Issued Patents 2002

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6467708 Method of processing municipal waste Robert Terzini 2002-10-22
6464155 Method of processing animal waste and parts Forrest L. Robinson 2002-10-15
6412716 Method and apparatus for processing municipal sludge waste Forrest L. Robinson 2002-07-02
6398138 Method of extracting nylon fiber from a comminuter Forrest L. Robinson 2002-06-04