05803820 is referenced by 11 patents and cites 9 patents.

A portable sand trap for use as a golf instructional for teaching and practicing golf shots from sand. The portable sand trap is placed in various locations and at various distances from a target or hole on a driving range, golf course, indoor practice facility or personal property. The apparatus includes a base having a bottom section, a sidewall, and an open top. The bottom section and the sidewall form an internal retention area in the base. The internal retention area is designed for holding sand. The apparatus is rendered mobile through a plurality of ground engaging wheels attached to the base. The base may be pushed or towed about by an individual or by a vehicle.

Title
Portable sand trap
Application Number
8/822231
Publication Number
5803820
Application Date
March 21, 1997
Publication Date
September 8, 1998
Inventor
George J McCarty
2829 Sherbrooke Rd., Toledo, 43606
OH, US
Agent
Marshall & Melhorn
IPC
A63B 69/36
View Original Source