David J Jacob

US Patent:

8257817, Sep 4, 2012

Filed:

Jun 18, 2010

Appl. No.:

12/818584

Inventors:

David Joseph Jacob - Decatur AL, US

International Classification:

A63B 69/00

US Classification:

428110, 428107, 473440

Abstract:

An exercise grid includes four running strips and four crossing strips. Each running strip connects with each crossing strip at an intersection to form a grid. The running and crossing strips comprise firm rods positioned between pliable intersections. The firm rods positioned between pliable intersections facilitates folding of the grid at the intersections for transport. Placement of the grid on a playing surface allows one to perform various drills using the spaces between the running and crossing strips.

US Patent:

20190111296, Apr 18, 2019

Filed:

Oct 12, 2017

Appl. No.:

15/782188

Inventors:

Marli Alec Jacob - Hartselle AL, US
David Joseph Jacob - Hartselle AL, US

International Classification:

A63B 17/04
A63B 5/16
A63B 21/00

Abstract:

In one aspect, the present disclosure provides a grid member useful for constructing an exercise grid, said grid member comprising: a first end and a second end, the first and second ends being attached to a connector, the connector comprising a first narrow end and a second wide end. In another aspect, the present disclosure provides an exercise grid comprising a plurality of grid members, the grid members comprising: a first end and a second end, the first and second ends being attached to a connector, the connector comprising a first narrow end and a second wide end.