William F. Frame

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Hockessin, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Ladder with removable step and method of storing the ladder in a co...
- Patent number 7,841,447
- Issue date Nov 30, 2010
- Ballymore Company, Inc.
- William F. Frame
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
LADDER WITH REMOVABLE STEP AND METHOD OF STORING THE LADDER IN A CO...
- Publication number 20080073149
- Publication date Mar 27, 2008
- BALLYMORE COMPANY, INC.
- William F. Frame
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS