Robert P. Spears

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Richmond, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Composite panel with a foamed plastic core
- Patent number 6,455,148
- Issue date Sep 24, 2002
- Reynolds Metals Company
- Robert Preston Spears
- B32 - LAYERED PRODUCTS
Information Patent Grant
Expandable honeycomb core structural member
- Patent number 5,288,538
- Issue date Feb 22, 1994
- Reynolds Metals Company
- Robert P. Spears
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL