Double E Company Inc.

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Brockton, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Core chuck with resilient rollers
- Patent number 4,519,620
- Issue date May 28, 1985
- Double E Company Inc.
- Robert D. Keith
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Positive retracting mechanical expansible shaft
- Patent number 4,492,346
- Issue date Jan 8, 1985
- Double E Company Inc.
- Lawrence C. Young
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Expansible shaft with actuator retaining member and spherical beari...
- Patent number 4,469,288
- Issue date Sep 4, 1984
- Double E Company Inc.
- Virgil M. Pontes
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Core-engager retainer for an expansible shaft
- Patent number 4,433,814
- Issue date Feb 28, 1984
- Double E Company Inc.
- Virgil M. Pontes
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL