Electropneumatic horn

Details Electropneumatic horn Electropneumatic horn

2008-08-21

2008-11-25

Spear, Robert M (Department: 2913)

Measuring, testing, or signalling instruments

Security or signal instrument or casing

Aural, i.e., audible

Design Patent

active

D0581305

CLAIM:
The ornamental design for an electropneumatic horn, as shown and described.

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