David L. Rykard — 1 Patent at Sonoco Development

David L. Rykard has been granted 1 US patent while listed as an inventor at Sonoco Development. All of these patents were granted in 2015. David L. Rykard ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list David L. Rykard in Hartsville, SC, US.

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9073729	Paperboard core spindle support for yarn packages	Ismael A. Hernandez, John Whitehead	2015-07-07	$11,730,000

David L. Rykard — 1 Patent

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