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LEYBOLD-HERAEUS VACUUM SYSTEMS, INC.
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ENFIELD, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hermetic sealing of abutment joints by non-vacuum focused energy we...
Patent number
4,386,728
Issue date
Jun 7, 1983
Houdaille Industries, Inc.
George E. Torok
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
73502067 - PARTNERS IN PROCESSING
Serial number
73502067
Registration number
1366023
Filing date
Oct 2, 1984
LEYBOLD-HERAEUS VACUUM PRODUCTS, INC.
42 - Scientific and technological services and research and design relating thereto