William K. Luebbert

Follow

Person

St. Louis County, MO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Feed mechanism
- Patent number 5,131,793
- Issue date Jul 21, 1992
- McDonnell Douglas Corporation
- William K. Luebbert
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Chip extraction apparatus
- Patent number 5,033,917
- Issue date Jul 23, 1991
- McDonnell Douglas Corporation
- John R. McGlasson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Symmetrical spur point drill
- Patent number 4,285,620
- Issue date Aug 25, 1981
- McDonnell Douglas Corporation
- William K. Luebbert
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drill and combined drill countersink
- Patent number 4,093,395
- Issue date Jun 6, 1978
- McDonnell Douglas Corporation
- William K. Luebbert
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR