19 Utility and 4 Design Patents
#15 in Rock Hill, SC
#450 in South Carolina
#91,834 in US
#181,495 in the World
rank by utility patentsForward Citations = 335
Company Filing History:
3d Systems, Inc.

Other
4. 1 out of 3,345

5. 1 out of 801

where one patent can have more than one assignee
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