Room 403 Productions
From the Audiovisual Identity Database, the motion graphics museum
Background
This is the production company of David A. Hurwitz (who would later go on to form his own sole company, Bill's Market & Television Productions) and Paul Cockerill.
Logo (September 23, 2007-August 4, 2008)
Visuals: In what appears to be some kind of hallway, a wooden door closes, which reveals:
403
PRODUCTIONS
on a blue keychain attacked to a key inside the doorknob. The byline "a David A. Hurwitz & Paul Cockerill Company" appears below.
Technique: CGI.
Audio: None. Original The CW and NBC airings used a generic theme and a voiceover.
Availability: Seen on Online Nation and American Gladiators (2008). The logo can be also seen at the defunct website.