Edwin Langford Libby

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Longmont, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for the reduction of image intensity variations in a cont...
- Patent number 4,426,153
- Issue date Jan 17, 1984
- IBM Corporation
- Edwin L. Libby
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic document copier machine with modular paper path...
- Patent number 4,165,168
- Issue date Aug 21, 1979
- International Business Machines Corporation
- Gerald W. Baumann
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical system featuring change in magnification by combined lens...
- Patent number 4,116,562
- Issue date Sep 26, 1978
- International Business Machines
- Edwin L. Libby
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Optical reduction system featuring the provision of borders
- Patent number 4,116,554
- Issue date Sep 26, 1978
- International Business Machines Corporation
- Edwin Langford Libby
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY