IP Library › Granted Patent US 4,671,585
Granted Patent Utility
US 4,671,585 · App. 06/874,496

Luminaire adaptor assembly

Inventors: Joseph Langer, Raymond A. Brown, Jon D. Hinnefeld
Patented Case View Patent ↗
Granted: Jun 9, 1987 Filed: Jun 16, 1986
Inventors
Joseph Langer
Raymond A. Brown
Jon D. Hinnefeld
Assignee (at issue)
National Service Industries, Inc.

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.

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Quick Facts
Patent No.
US 4,671,585
App. No.
06/874,496
Filed
1986-06-16
Granted
1987-06-09
Kind
A