Ladder climbing demonstration exhibit
Claims
The ornamental design for a ladder climbing demonstration exhibit, as shown and described.
| D220673 | May 1971 | Holbrook |
| D238607 | January 1976 | Gannon |
| D290044 | May 26, 1987 | Daly |
| D293475 | December 29, 1987 | Daly |
| D312314 | November 20, 1990 | Harris |
| 5131197 | July 21, 1992 | Varga |
| 5134820 | August 4, 1992 | Liu |
| D478999 | August 26, 2003 | Jobs et al. |
| D479338 | September 2, 2003 | Hennessy et al. |
| D486587 | February 10, 2004 | Yamaoka |
| D507661 | July 19, 2005 | Treadwell |
Type: Grant
Filed: Apr 16, 2009
Date of Patent: Jul 13, 2010
Assignee: Gore Enterprise Holdings, Inc. (Newark, DE)
Inventors: Charles M. Willard (Mocksville, NC), William F. Candy (Middletown, DE)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Michael A Pratt
Attorney: Carol A. Lewis White
Application Number: 29/335,476