Portable wheel ramp

Details Portable wheel ramp Portable wheel ramp

2011-03-16

2011-10-18

Ramirez, Cynthia (Department: 2911)

Material or article handling equipment

Conveying, lifting, or transferring article

Crane or hoist

Design Patent

active

D0647273

CLAIM:
The ornamental design for a portable wheel ramp, as shown and described.

REFERENCES:
patent: D246449 (1977-11-01), Poe
patent: D348552 (1994-07-01), Woodward et al.
patent: 5553989 (1996-09-01), Ullman
patent: 5768733 (1998-06-01), Kneebone
patent: D398129 (1998-09-01), Sacks et al.
patent: D494726 (2004-08-01), Smith
patent: D505238 (2005-05-01), Robertson
patent: D595920 (2009-07-01), Lederhause et al.
patent: 2010/0032918 (2010-02-01), Chamoun

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