Single loading enhancement device

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Description

FIG. 1 is a perspective view of a single loading enhancement device according to the present invention.

FIG. 2 is a perspective view of a single loading enhancement device according to the present invention.

FIG. 3 is an elevated front view of a single loading enhancement device according to the present invention.

FIG. 4 is a rear view of a single loading enhancement device according to the present invention; and,

FIG. 5 is an elevated rear view of a single loading enhancement device according to the present invention.

Claims

The ornamental design for a single loading enhancement device, as shown.

Referenced Cited
U.S. Patent Documents
3143820 August 1964 Lucianetti et al.
3395479 August 1968 Collins
3453762 July 1969 Fremont
3465463 September 1969 Batezell et al.
3732643 May 1973 Wells
3906652 September 1975 Evans
4079535 March 21, 1978 Elbe et al.
4237638 December 9, 1980 Trexler
4413437 November 8, 1983 Anderson
D290866 July 14, 1987 Chesnut
4688344 August 25, 1987 Kim
5113605 May 19, 1992 Kim
5329718 July 19, 1994 Howard
5761841 June 9, 1998 Snick
5806224 September 15, 1998 Hager
6606811 August 19, 2003 Olson
20050115128 June 2, 2005 Hahin
Patent History
Patent number: D569473
Type: Grant
Filed: Apr 3, 2006
Date of Patent: May 20, 2008
Inventor: Robert Hahin (Berkeley, CA)
Primary Examiner: Louis S Zarfas
Assistant Examiner: David G Muller
Attorney: Timothy M. Barlow
Application Number: 29/257,363