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
Light fixture
Battery loading and unloading mechanism
Cartridge for separating analyte from mixture, comprising dispensing and receiving chambers and insert
Process information structuring support method
Methods and arrangements for realising betting with off-line terminal
Methods for testing OData services
Method of making and using an alpha-glucanase composition to reduce or remove biofilm
  Randomly Featured Patents
Method for scanning a pulsed laser beam for surface ablation
Medicament container stopper with integral spike access means
Polycarbonate, copolycarbonate resin compositions and preparing method thereof
Heat-shrinkable article
Joint structure of structural members
CMOS semiconductor device
Electrostatic recording apparatus
Multi-function radar device
Continuously variable transmission apparatus
Security alarm with remote triggering device