Inventor
WALLEN JOHN MICHAEL
US4 patents
Patents
4 patentsUS8096799B2Jan 17, 2012
Swept leg spider for an extrusion apparatus
WALLEN JOHN MICHAEL5 citations53
US8333580B2Dec 18, 2012
Swept leg spider for an extrusion apparatus
WALLEN JOHN MICHAEL0 citations42
US8936460B2Jan 20, 2015
Extrusion head with high volume reservoir
WALLEN JOHN MICHAEL0 citations30
US8758003B2Jun 24, 2014
Multiple spider head
WALLEN JOHN MICHAEL0 citations30