4. Boring or penetrating the earth
  5. Bit or bit element
  6. Rolling cutter bit or rolling cutter bit element

David M. Tatum

Inventor

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

Details

Inventor

active

Seal and seal shield assembly for rotary drill bits

Boring or penetrating the earth – Bit or bit element – Rolling cutter bit or rolling cutter bit element
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Sealing assembly for relatively movable members

Bearings – Rotary bearing – Roller drill bit
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Sealing assembly for relatively movable members

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
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

David M. Tatum does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-1095165

  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