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For the Inventor, By the Inventor

Milford, PA, United States of America

Sparkomaric Corporation


USPTO Granted Patents = 1

Forward Citations = 18

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1 inventor (with patents filed for the assignee):

goldMedal John F Castagna (1 out of 16 patents)


1 patent:

1. 4331841 - Grille covered speaker mounting assembly for automobile decks and the (1982-05-25),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#9 in Milford, PA

#4,965 in Pennsylvania

#136,674 in US

Milford, PA (US)
Milford, PA, United States of America

Sparkomaric Corporation

Forward Citations = 18

1 inventor:

goldMedal John F Castagna (1 out of 16 patents)

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