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
Anomalous data detection method
Distortion estimation for quantized data
Proximity search methods using tiles to represent geographical zones
Medical device arm
Real-time virtual endoscopy
System and method for multi-threaded OFDM channel equalizer
Non-volatile memory and method having efficient on-chip block-copying with controlled error rate
  Randomly Featured Patents
Servo system temporary destabilization circuit and method
Nutcracker
Saucepan
Method for measuring the air flow component of air/water vapor streams flowing under vacuum
Method and device for driving semiconductor power components
Bottle
Polyether ester elastomers comprising poly(trimethylene-ethylene ether) ester soft segment and alkylene ester hard segment
Optical sensing devices and methods
Fence panel
Enhancing the salt tolerance of aqueous sulfonate surfactant solutions