LandOfFree - US Patents - Listing for Metal tools and implements, making,Blank or process

Metal tools and implements – making – Blank or process – Drill

Rolling cutters for drill bits, and processes to produce same

Metal tools and implements – making – Blank or process – Drill

Rotary cone drill bit with machined cutting structure and...

Metal tools and implements – making – Blank or process

Rotary cutter for agglomerated foam plastic

Metal tools and implements – making – Blank or process

Rotary cutting cylinder and method of making same

Metal tools and implements – making – Blank or process – Die

Rotary die laser machining and hardening apparatus and method

Metal tools and implements – making – Blank or process – Drill

Rotary drill bit and method for making same

Metal tools and implements – making – Blank or process – Drill

Rotary drill bit design method

Metal tools and implements – making – Blank or process – Drill

Rotary drill bit for use in drilling holes in subsurface earth f

Metal tools and implements – making – Blank or process – Drill

Rotary drill bit with abrasion and erosion resistant facing

Metal tools and implements – making – Blank or process – Drill

Rotary drill bit with improved cutter and method of manufacturin

Metal tools and implements – making – Blank or process – Drill

Rotary drill bits

Metal tools and implements – making – Blank or process – Drill

Rotary rock bit with improved diamond filled compacts

Metal tools and implements – making – Blank or process – Die

Rule for a cutting die

Metal tools and implements – making – Blank or process – Die

Ruled scoring die