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
Vehicle window opening and closing control device
Methods of forming activated carbons
Promoting content
Pyroelectric detector, pyroelectric detection device, and electronic instrument
Systems and methods for unchoked control of gas turbine fuel gas control valves
Method and system for generating and displaying an interactive dynamic graph view of multiply connected objects
Touch screen panel
  Randomly Featured Patents
Boat motor heater
Dual face golf putter
Electric bending endoscope
Electronic keyboard musical instrument
Device for measuring the fuel consumption of a vehicle
Arms full vehicle closure activation apparatus and method
Windshield wiper blade
Gypsum wallboard taping system
Methods and systems for providing an interactive communication session with a remote consultant
Intravascular catheter