Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1998-01-27
1999-09-28
Dixon, Merrick
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
428359, 428364, 428375, 428394, 428400, 428401, 428398, B32B 900
Patent
active
059585854
ABSTRACT:
An apparatus for determining the direction of ambient airflow and a method for the use thereof. The apparatus includes man-made or natural fibers that float when released into the air by a user. The direction of ambient airflow is determined by observing the direction of movement of the fibers from the point of release from the user's hand.
REFERENCES:
patent: 5295283 (1994-03-01), Gillum et al.
Brown Randall C.
Dixon Merrick
Matos Rick
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