JUSTIN CAMPBELL
Electrician at School Ave, Fayetteville, AR

License number
Arkansas J-11363
Expiration Date
Oct 31, 2017
Category
Electrican
Address
Address
2301 S School Ave, Fayetteville, AR 72701

Professional information

Justin Campbell Photo 1

Ergonomic Planar Grading Hand Tool

US Patent:
6988561, Jan 24, 2006
Filed:
Dec 10, 2003
Appl. No.:
10/732591
Inventors:
Justin Campbell - Fayetteville AR, US
International Classification:
A01B 1/08
US Classification:
172380, 172371, D8107, 152354, 1523601, 7116
Abstract:
A hand tool having a flat, planar blade parallel to a surface and a variable length handle allows efficient and effective grading or leveling of a surface. The device allows for effective grading without undue stress on the body of the operator. The ergonomic design of the device, as well as the functional design, allow for effective and efficient grading of surfaces next to and surrounding sensitive structures.