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
Machine shop including computer system that interfaces with different legacy servers
Method and device for authenticating transmitted user data
Method of analyzing cell structures and their components
Closed-loop adaptive adjustment of pacing therapy based on cardiogenic impedance signals detected by an implantable medical device
Method and composition for hyperthermally treating cells
Transcoded images for improved trick play
  Randomly Featured Patents
Optically functional device, single crystal substrate for the device and method for its use
Nucleic acids encoding hedgehog proteins
Parking brake control device
Changeable tattoos
Sound-attenuating muffler having reduced back pressure
Nitrogen-containing aromatic derivatives
Cyclic injection method for continuous measurements of pulmonary parameters
Method and apparatus for central accounting and billing system for enterprise employing mobile field service inventories
Production of neutralizing antibodies by polypeptide VP1 of enteroviruses and by oligopeptide fragments of polypeptide VP1