Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 181/127
Name: Acoustics > Anatomic or prosthetic relation > Dentiphone
Description: Subject matter wherein the acoustical device is held or positioned in the mouth, generally by the teeth.

Patents under this class:

Patent Number Title Of Patent Date Issued
5877460 Device for talking underwater Mar. 2, 1999
5493079 Vocal communication snorkel Feb. 20, 1996
5168131 Apparatus and method for controlling an elevator Dec. 1, 1992
4527657 Tapered tube impedance matching underwater voice communicator with bubble silencer Jul. 9, 1985
4071110 Underwater voice communicator Jan. 31, 1978

  Recently Added Patents
Image forming apparatus, image forming method, and computer readable medium for identifying target-recording element using detection pattern
Method and system for encrypting data in a wireless communication system
Question and answer system wherein experts are associated with models and have response rates that are associated with time intervals
Flash drive
Charged particle source with multiple selectable particle emitters
System, method and computer program product for efficient caching of hierarchical items
  Randomly Featured Patents
Portable compass
Light system with stacked light pipe structure
Multi species laminated veneer lumber
Superconductive logic circuit
File system operation and digital rights management (DRM)
Apparatus and method for setting pilot subcarrier
Exhaust pipe supporting device
Suction control
Imaging member