May 1, 1984
April 27, 1981
Burke; Wallace R.
Gitlin; Suzanne N.
Attorney Or Agent:
Larson and Taylor
Field Of Search:
U.S Patent Documents:
Foreign Patent Documents:
The ornamental design for a roller bit, as shown and described.
FIG. 1 is a top plan view of a roller bit showing my new design.
FIG. 2 is a side elevational view taken in the direction of any one of the three arrows 2 in FIG. 1;
FIG. 3 is a side elevational view taken in the direction of any one of the three arrows 3 in FIG. 1.
FIG. 4 is a bottom plan view thereof.
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