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Inventor: Smith; Roger Q.
Address: Danville, VA
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 3973378 |
Cordless grass trimmer having removable battery pack |
August 10, 1976 |
| An upright cordless grass trimmer incorporated incoporates fixed multi-toothed bottom blade and plural sets of top blades which oscillate over the bottom blade to achieve cutting. The sets of top blades are driven by a motor through a gear and cam mechanism and are synchronized so th |
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