Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Extruded monolithic foam earplug










Image Number 2 for United States Patent #6408981.

A monolithic earplug being compressible or deformable. The earplug is fabricated from an extruded, elastomeric thermoplastic in order that it may be rapidly and efficiently produced, and then the extrudate is cut at the die face, as it emerges therefrom, into discrete pieces to form earplugs having convex end portions and a skin extending over its entire outer surface.








 
 
  Recently Added Patents
Depth sensor, depth estimation method using the same, and depth estimation device including the same
Method and system for facilitating preemptive based radio channel access control
Monolithic full-color LED micro-display on an active matrix panel manufactured using flip-chip technology
Circuit and system of using polysilicon diode as program selector for one-time programmable devices
Method and apparatus for transmitting rights object information between device and portable storage
Fuels and fuel additives comprising butanol and pentanol
Tunable wireless energy transfer systems
  Randomly Featured Patents
Electronic interlocking graphics panel formed of modular interconnecting parts
Process for endosteal ligament mounting
Electronic paddle game device
High thermal conductivity composite material, and method for producing the same
Configuring computer systems with business configuration information
Instrument holder
Secondary storage facility employing serial communications between drive and controller
Picture forming apparatus
Nail varnish comprising an aqueous polymer dispersion
Closure with extended seal member