Asymmetric coil spring
U.S. Patent D681,980
Issued May 14, 2013
Abstract
The ornamental design for an asymmetric coil spring, as shown and described.
[Certificate for correction of inventorship dated 09/03/2013 attached on page 4.]
Abstract
The ornamental design for an asymmetric coil spring, as shown and described.
[Certificate for correction of inventorship dated 09/03/2013 attached on page 4.]