Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Rotherham; Donald A.
Address:
Williston Park, NY
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4990017 Expandable double ring binder February 5, 1991
An expandable double ring binder for carrying and displaying swatches of material samples includes a pair of loose leaf ring metals slidably mounted on a carriage attached to the inside of the backbone of a loose leaf binder case, such that the ring metals may be spread apart laterally










 
 
  Recently Added Patents
Bioactive agent-loaded heart-targeting nanoparticles
Biological information monitoring system
Dynamic reconstruction of a calibration state of an absorption spectrometer
Air driven alternators for battery powered vehicles
Systems and methods for managing policies on a computer
Crowd formation based on wireless context information
Storage system comprising multiple microprocessors and method for sharing processing in this storage system
  Randomly Featured Patents
Dynamic wave-pipelined interface apparatus and methods therefor
Spring-loaded panel fastener design
Camera case
Method for performing carrier management procedure in a multi-carrier supported wideband wireless communication system and apparatus for the same
Annularly-linked triazole compounds
Copoly(phenylene sulfide)
Sidewall extension for drain channel system and method for extending the continuous slope of a drainage channel system
Carton structure
Closure testing means and method
Magnetic tape head with magnetic head layer formed on base substrate