Resources Contact Us Home
Browse by Category: Main > Entertainment & Recreation
Class Information
Number: 84/150
Name: Music > Instruments > Automatic > Selectors > Trackers and sheets > Playing on wind and rewind
Description: The sheet has two sets of perforations, one set to be used as usual, the other to be used during rewinding.

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Apparatus and method for quantification of the desynchronization between the clocks of two HBC active implants
Maximum-likelihood MIMO demodulation for frequency-selective channels
Developing member, process cartridge, and electrophotographic apparatus
Integrated circuit device and electronic apparatus
Implementing vector memory operations
Maize hybrid X13B545W
Data processing method for determining drift values of at least one tire
  Randomly Featured Patents
Machine having devices to reduce transmissions of structure-borne noise
Method and apparatus for global call queue in a global call center
Display substrate, method of manufacturing the same and display panel having the display substrate
Magnetic writer with multi-component shield
Pigment additive for protective and decorative coatings
Replaceable personal digital assistant cradle for a telephone
System for binding secrets to a computer system having tolerance for hardware changes
Photographic camera
Electrodeless lighting apparatus
Nano graphene reinforced nanocomposite particles for lithium battery electrodes