Delwyn Cummings

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Meriden, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Ceramic composition having high adsorptive capacity for oxygen at e...
- Patent number 6,365,535
- Issue date Apr 2, 2002
- Advanced Technology Materials, Inc.
- Ward C. Stevens
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
High temperature pressure swing adsorption system for separation of...
- Patent number 6,361,584
- Issue date Mar 26, 2002
- Advanced Technology Materials, Inc.
- Ward C. Stevens
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method of making galvanically dissipatable evanescent chaff fiber
- Patent number 5,234,715
- Issue date Aug 10, 1993
- Advanced Technology Materials, Inc.
- Ward C. Stevens
- F41 - WEAPONS
Information Patent Grant
Wafer base for silicon carbide semiconductor devices, incorporating...
- Patent number 5,190,890
- Issue date Mar 2, 1993
- Advanced Technology Materials, Inc.
- Walter Precht
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wafer base for silicon carbide semiconductor devices, incorporating...
- Patent number 5,043,773
- Issue date Aug 27, 1991
- Advanced Technology Materials, Inc.
- Walter Precht
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Galvanically dissipatable evanescent chaff fiber
- Patent number 5,039,990
- Issue date Aug 13, 1991
- Advanced Technology Materials, Inc.
- Ward C. Stevens
- F41 - WEAPONS