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
SIC semiconductor device and method for manufacturing the same
Near-field optical disk having surface plasmon amplification by stimulated emission of radiation
Display apparatus
In-vehicle electronic control apparatus having monitoring control circuit
Scanning projection apparatus with tangential compensation
Charge pump and method of biasing deep N-well in charge pump
System and method for agitation of multiple specimen containers
  Randomly Featured Patents
Process for the preparation of fiber-reinforced flat bodies containing a hardenable binder
Document holder
Ultraviolet-hardenable adhesive
Mechanism for urging an electrostatic recording medium to a multi-stylus electrode head
Thin film transistor array panel for a display
Curable molding compositions
Production logging tool for measuring fluid densities
Electrical circuit arrangement
Bottle
Refrigerating air conditioning system, method of controlling operation of refrigerating air conditioning system, and method of controlling amount of refrigerant in refrigerating air conditioni