Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Petersen; Warren A.
Address:
Ridgefield, CT
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4349863 Emergency lighting system September 14, 1982
A lighting system for supplying AC power normally, and DC power on an emergency basis selectively, to electron discharge devices, particularly fluorescent lamps; thus, the AC or DC power is furnished over common lines to a high frequency inverter associated with each lamp or lamp fixture










 
 
  Recently Added Patents
Method and apparatus for accessing and downloading information from the internet
System and method to assess serviceability of device
Methods of producing the membranes and the uses of membranes as battery separator films
Power generating apparatus of renewable energy type and method of attaching and detaching blade
High-frequency power amplifier
Systems and methods for redox flow battery scalable modular reactant storage
System and method for associating financial transaction data with a user's project data using a portable electronic device
  Randomly Featured Patents
2-hydrazono-4,6-dinitrobenzthiazolones useful to form dyestuffs and as color formers for detecting peroxide
Magnetically floating actuator having angular positioning function
Method and apparatus for weighing divided portions
Pocket device
Method and apparatus for measuring the thickness of a layer of geologic material using a microstrip antenna
Elevation of HDL cholesterol by 2-(-4-chlorol-1-aryl-butylidene)-hydrazinecarbothioamides
Thermal enhanced upper and dual heat sink exposed molded leadless package
Disposable drinking cup lid
Connecting assembly for sweeping and wringing apparatus
Gastrostomy and other percutaneous transport tubes