IP Library › Granted Patent US 5,509,151
Granted Patent Utility
US 5,509,151 · App. 08/164,443

Lockable two frame convertible sofa bed

Inventors: Robert Fireman, Ralph Rosenow
Patented Case View Patent ↗
Granted: Apr 23, 1996 Filed: Dec 9, 1993
Inventors
Robert Fireman
Ralph Rosenow
Assignee (at issue)
Robert Fireman

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Quick Facts
Patent No.
US 5,509,151
App. No.
08/164,443
Filed
1993-12-09
Granted
1996-04-23
Kind
A