Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Method for building taxonomy of topics and categorizing videos
Reticle for a riflescope or other projectile-weapon aiming device
Optical disc drive having a tray for loading a disc using supporting portions
Method and apparatus for soft information transfer between constituent processor circuits in a soft-value processing apparatus
Aperture stop
Method for enhanced subsurface electromagnetic sensitivity
Mobile terminal apparatus, radio base station apparatus and radio communication method
  Randomly Featured Patents
Method and apparatus for improving dynamic range in a communication system
Door pull
Process for aiding the takeoff of an aircraft
Tankard
Variable high frequency lamp controllers and systems
High-reliability DIMM connector
System and method for improving lubrication in a fluid dynamic bearing
Battery housing for a communication transceiver
TEOS intermetal dielectric preclean for VIA formation
Method and system for editing and formatting data in a dialog window