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
Data converter with configurable functions
Method of manufacturing nitride semiconductor and nitride semiconductor element
Block polymers and their process of preparation
Method for producing a flexible composite elastomeric polyurethane skin
Faucet
Bread basket
Data security for dynamic random access memory using body bias to clear data at power-up
  Randomly Featured Patents
Method of printing information by a network kiosk
Tampon applicator assembly having an improved plunger and methods of making
Budesonide pellets with a controlled released pattern and process for producing the same
Process for making 1,3-diols from epoxides
Adjustable seat leveling mechanism
Optical indicator device
High frequency device
Organic electroluminescent device
Process for the fractionation of cereal brans
Rapid pulsed Er:YAG laser