Henry W. Murdoch

Follow

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Seal assembly for drill bits
- Patent number 4,623,028
- Issue date Nov 18, 1986
- Reed Tool Company
- Henry W. Murdoch
- E21 - EARTH DRILLING MINING
Information Patent Grant
Combination drag and roller cutter drill bit
- Patent number 4,444,281
- Issue date Apr 24, 1984
- Reed Rock Bit Company
- Percy W. Schumacher
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit
- Patent number 4,074,922
- Issue date Feb 21, 1978
- Reed Tool Company
- Henry W. Murdoch
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit
- Patent number 3,990,751
- Issue date Nov 9, 1976
- Reed Tool Company
- Henry W. Murdoch
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit
- Patent number 3,989,315
- Issue date Nov 2, 1976
- Reed Tool Company
- Henry W. Murdoch
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit
- Patent number 3,971,600
- Issue date Jul 27, 1976
- Reed Tool Company
- Henry W. Murdoch
- E21 - EARTH DRILLING MINING