4. Boring or penetrating the earth
  5. Bit or bit element
  6. Impact or percussion type

Joel Ham

Inventor

Rate now
  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Inventor

active

Screw thread coupling

Boring or penetrating the earth – Bit or bit element – Impact or percussion type
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Screw thread structure

Boring or penetrating the earth – Bit or bit element – Impact or percussion type
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Screw thread structure for percussion drill driver sub and case

Boring or penetrating the earth – With tool shaft detail
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Joel Ham does not yet have a rating. At this time, there are no reviews or comments for this inventor.

If you have personal experience with Joel Ham, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Joel Ham will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-1149389

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.

Canada

 Charities
 Companies
 MP Candidates
 Patents
 Employee Salary Disclosure

World

 Places of the World
 Scientific Papers

United States

 Banks
 Companies
 Counties
 Patents
 Employee Salary Disclosure