Convex-concave roller
Latest ELC Managment, LLC Patents:
Description
Claims
The ornamental design for a convex-concave roller, substantially as shown.
Patent History
Patent number: D677392
Type: Grant
Filed: Aug 24, 2011
Date of Patent: Mar 5, 2013
Assignee: ELC Managment, LLC (New York, NY)
Inventor: William R. Bickford (Ronkonkoma, NY)
Primary Examiner: Sandra Snapp
Application Number: 29/400,164
Type: Grant
Filed: Aug 24, 2011
Date of Patent: Mar 5, 2013
Assignee: ELC Managment, LLC (New York, NY)
Inventor: William R. Bickford (Ronkonkoma, NY)
Primary Examiner: Sandra Snapp
Application Number: 29/400,164
Classifications
Current U.S. Class:
Roller, Ball Or Similar Protuberance (D24/211)