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
Pattern data conversion for lithography system
Flat panel display device and stereoscopic display device
Method and system for acquiring support capability of mobile terminal by base station side system
Methods and systems for presenting an inhalation experience
Multiplanar image displays and media formatted to provide 3D imagery without 3D glasses
Phone messaging using audio streams
Systems and methods for providing live voicemail to a mobile handset
  Randomly Featured Patents
Method for implementing a vehicular antenna system
Tubulation tubing of display panel
Multi-orientation adjustable clamp device clamping at drum's counterhoop
Dyeing OH- or amido-containing materials with reactive dyestuffs containing a difluoropyrimidine radical
Method of testing a multichip
Camera tripod head with weight compensation
Game device with template for arranging objects
Optical position-measuring device
Method for producing a shape memory alloy member having specific physical and mechanical properties
Hetero spiro compound as perfuming and flavoring ingredient