Boring or penetrating the earth
Below-ground impact members
Telescoping members relatively rotatable
Inventor
active
Apparatus and method for shutting off fluid flow in a pipe main
Apparatus and method for supporting pipe main repair tools in an
Casing hanger
Method and apparatus for prevention, suppression or mitigation o
Percussion boring tool
No associations
LandOfFree
John H. Cohen does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with John H. Cohen, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John H. Cohen will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-593365