Tools and Machinery
| Fri 05 Jun 2026
Alexandria, June 6 -- United States Patent for Extendable Coupler has been issued to Kinghorn John.
The patent application number is US202118033502 20211027. The patent publication number is US12643582 (B2). International Patent Classification codes are B61G3/10, B61G3/16, B61G3/20, B61G5/02, B61G5/06, B61G7/08, B61G7/10 and..