Equipment for production – distribution – or transformation of ene – Energy conversion or transformation
Design Patent
1997-12-22
2002-05-21
Sincavage, Joel (Department: 2911)
Equipment for production, distribution, or transformation of ene
Energy conversion or transformation
Design Patent
active
D0457491
CLAIM:
The ornamental design for an ultrasonic transducer, as shown and described.
REFERENCES:
patent: D195226 (1963-05-01), Busillo
patent: 3851333 (1974-11-01), Fishman
patent: 3910116 (1975-10-01), Smith
patent: D256000 (1980-07-01), Molijn
patent: D352010 (1994-11-01), Curbbun
patent: D361534 (1995-08-01), Cook
patent: D397631 (1998-09-01), Riegel
patent: D413825 (1999-09-01), Storsved
patent: D440168 (2001-04-01), Lister et al.
Kaiser Donald
McCullough Earl
Valery Jeff
American Sigma, Inc.
Burt Pamela S.
Sincavage Joel
Weiner Irving M.
Weiner & Burt, P.C.
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