compression waves

[Carl Meyer]

----- Original Message -----
From: "John Delacour" <JD@Pianomaker.co.uk>
To: <pianotech@ptg.org>
Sent: Friday, November 23, 2001 4:10 PM
Subject: Re: compression waves

Neither would have bothered to get patents if
> longitudinal waves in piano strings did not, in some areas, cause
> problems,

Au contraire--Since 99.9%  (or more)  of patents don't produce any income
for the patentee, could we say that ego is the predominant factor in
applying for patents?

Carl Meyer  Assoc. PTG
Santa Clara, California
cmpiano@home.com