Resources Contact Us Home
Rotherham; Donald A.
Williston Park, NY
No. of 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
Pneumatically actuated IC socket with integrated heat sink
Method and control unit for rectifying a camera image
Methods and apparatuses for directing recipients of video content items to interesting video content items
Method and apparatus for the determination of a repetitive bit value pattern
Wheel bearing apparatus incorporated with a rotational speed detecting apparatus
System for compensating for variations in clock signal frequency
Lobularia plant named `Inlbusnowhi`
  Randomly Featured Patents
Method and apparatus to search fixed codebook and method and apparatus to encode/decode a speech signal using the method and apparatus to search fixed codebook
Thermoplastic elastomers and polymers derived from recycled rubber and plastics
Switch machine controller with fail safe mechanism
Stub shaft conveyor roller
Circuit for synthesizing multiple pulse code modulation data
Device and method for recovering frequency redundant data in a network communications receiver
Device for electrostatic deflection of a particle beam
Device and method in wrapping machine
Device for supporting an object
Method of dye absorption into the surface of plastic