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RE: Ligature Patents, Bonade

Author: Ming
Date: 1999-10-08 01:25

Thanks for all of your input, I am wondering
if the Bonade patent already expired, how come
on the Bonade inverted ligature (I bought one 5 years
ago and one last month) still have the mark "patent
pending" on it? as Mark stated, if doing experiment
is encouraged by the Patent law, then my experiment
would be to find a material that will play better
than the material that is used in the current
Bonade ligature.

what my primary goal is to make a mould out of a good
bonade inverted, then I try to fill in different material
to do some experiment, since my resource is limited
to those metals that is only used for jewelery. I have no
access to other metals that others mentioned.

another problem I have is to find a good bonade inverted
as the protype of the mould, if the one I used is not
symmetric, then the mould is asymmetric. the one I bought
5 years ago was good, but broken.. the one I bought
one month ago is aweful, it damage the mouthpiece by
serious scratch, although the rails are parallel
but the overall ligature is not parallel.

does anyone have idea where I can get a top quality bonade?
if I can't get one, then the next method would be take
all the measurement of the bonade ligature and fix the
data to make it symmetric and build a mould from ground
up.

thank you

Ming

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