Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Adjustable step ladder










Image Number 2 for United States Patent #6698550.

An adjustable back leg assembly provides a step ladder of simple construction for convenient use on stairs and other sloping surfaces.








 
 
  Recently Added Patents
Portable stand
Method and system for providing intelligent call rejection and call rollover in a data network
Analogue-to-digital converter
Quick mounting device
Heterogeneous language data typing without executable regeneration
Electronic device
Pre-fetching map data using variable map tile radius
  Randomly Featured Patents
Method of hardening gelatin
Method of color matching wood stains
Auxiliary game with random prize generation
Ear plug
Combination of collimated and coincidence information for positron imaging
Method and device for distributing pumpable thick matter into several delivery pipes
Storage apparatus and its control method
Copolyester-amide resin and adhesive processes
Image data communications device and method
Neuro-physiology and neuro-behavioral based stimulus targeting system