Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Porzilli; Louis B.
Address:
Sparta, NJ
No. of patents:
2
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
Optical modulator module
NMR, instrumentation, and flow meter/controller continuously detecting MR signals, from continuously flowing sample material
Power converter with a variable reference voltage and inrush current limiting
Audio/video program-related hyperlink printer
LO generation with deskewed input oscillator signal
Organic compounds
Plants and seeds of hybrid corn variety CH979678
  Randomly Featured Patents
Neutron interface detector
System for detecting and limiting electrical ground faults within electrical devices
Descaling bent rod with separated cleaning particles
Counterbalanced bidirectional shuttle drive
Non-contact type tonometer
Switching device of reduction gear set
Contamination avoiding device
Dentinal desensitizing compositions
Food waste disposer trim shell
Ultrasonic diagnostic apparatus