IP Library › Granted Patent US 4,339,892
Granted Patent Utility
US 4,339,892 · App. 06/195,408

Safety window of the tilt and turn type

Inventors: Roger Ulbricht, Ralph Cavalucci
Patented Case View Patent ↗
Granted: Jul 20, 1982 Filed: Oct 9, 1980
Inventors
Roger Ulbricht
Ralph Cavalucci
Assignee (at issue)
Flour City Architectural Metals

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Quick Facts
Patent No.
US 4,339,892
App. No.
06/195,408
Filed
1980-10-09
Granted
1982-07-20
Kind
A