Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9492941 | Apparatus having a tool on an elongate pole | Ronald A. Carlson, Daniel J. DeLay, Benjamin R. Lloyd | 2016-11-15 |
| 8020304 | Power transmission assembly for tool mounted on an elongate pole | Ronald A. Carlson | 2011-09-20 |
| 7406770 | Trimmer with cooperating cutter blades | Ronald A. Carlson | 2008-08-05 |