Inventor
WELTY JOHN
US5 patents
⚠️ This page may combine multiple inventors who share the name “WELTY JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BORWIG MICHAEL C
4 patentsUS8590577B2Nov 26, 2013
Ductmaking apparatus
BORWIG MICHAEL C2 citations60
US8276425B2Oct 2, 2012
Ductmaking apparatus
BORWIG MICHAEL C4 citations60
US8458884B2Jun 11, 2013
Method for forming a duct
BORWIG MICHAEL C0 citations45
US8225636B2Jul 24, 2012
Apparatus for forming a duct
BORWIG MICHAEL C1 citations45