John L. Bartelt

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Thousand Oaks, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Evaluation of the extent of wear of articles
- Patent number 5,303,574
- Issue date Apr 19, 1994
- Hughes Aircraft Company
- Jesse N. Matossian
- G01 - MEASURING TESTING
Information Patent Grant
Compensated, SBS-free optical beam amplification and delivery appar...
- Patent number 5,208,699
- Issue date May 4, 1993
- Hughes Aircraft Company
- David A. Rockwell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Masked ion beam lithography system and method
- Patent number 4,757,208
- Issue date Jul 12, 1988
- Hughes Aircraft Company
- Charles M. McKenna
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Energy intensive surface reactions using a cluster beam
- Patent number 4,740,267
- Issue date Apr 26, 1988
- Hughes Aircraft Company
- Wolfgang Knauer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Precision automatic mask-wafer alignment system
- Patent number 4,728,193
- Issue date Mar 1, 1988
- Hughes Aircraft Company
- John L. Bartelt
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Hybrid focused-flood ion beam system and method
- Patent number 4,687,940
- Issue date Aug 18, 1987
- Hughes Aircraft Company
- J. William Ward
- B82 - NANO-TECHNOLOGY