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
Horizontal cable manager
Humidity indicator and method for fabricating the same
Maize variety X00C175
Tree drain grate
Approaching object detection system
Group control method for machine type communication and mobile communication system using the method
Feature-based autocorrection
  Randomly Featured Patents
Device for protecting contactless communication objects against fraud
Method and apparatus for dispersing fluid into a material
Communication terminal device and control method thereof
.beta.-D-glucosyluronic acid derivatives
Control and method for modulating the capacity of a temperature conditioning system
Automated system for the radiation treatment of a desired area within the body of a patient
Articulated surgical instrument with improved articulation control mechanism
Preparation of di-tertiary peroxides
Exposed copper strap in a semiconductor package
Behind aperture lens system