Inventor

WU YAOKUN

CA2 patents

⚠️ This page may combine multiple inventors who share the name “WU YAOKUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MANSOUR MINING INC

1 patent

US7632045B2Dec 15, 2009

Detachable anchor bolt mixing head for use in mine roof support systems and method of using same

MANSOUR MINING INC9 citations74

OLDSEN JOHN G

1 patent

US8721227B2May 13, 2014

Yielding bolt and assembly

OLDSEN JOHN G4 citations63