Resources Contact Us Home
Porzilli; Louis B.
Sparta, NJ
No. of patents:

Patent Number Title Of Patent Date Issued
6563033 Stringed musical instrument with apparatus enhancing low frequency sounds May 13, 2003
A stringed instrument such as a guitar with a thinner than traditional body is provided enhanced decibels measured by sound pressure level (DBSPL) response employing a combination of one or more of each of a passive radiator, tuned isolated resonating wave guide or guides in the body
5659155 Acoustical transducer enclosure August 19, 1997
The purpose of the invention is to direct, in a coherent fashion, audible frequencies, particularly, low frequencies and especially those below 90 cycles. The advantage to directing low frequencies to acute projection patterns previously thought impossible is to reduce low frequency feed

  Recently Added Patents
Mixture, especially spinning solution
Computer system for routing package deliveries
Optoelectronic devices and a method for producing the same
Method and apparatus for disease diagnosis and screening using extremely low frequency electromagnetic fields
Leg mounted portable computer
Signal processing device and method for providing oscillating signal in the signal processing device
Irreversible thermochromic ink compositions
  Randomly Featured Patents
Rotational angle sensors and throttle devices
Rotary assembly machine
Vehicle with hybrid powertrain
Cyclic derivatives as modulators of chemokine receptor activity
Ski holder
Didemnin analogs and fragments and methods of making and using them
Flooded compressor separators
Color-resolving striped filter for camera tube
Support bracket
Display control circuit and display device