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For the Inventor, By the Inventor

Wrentham, MA, United States of America

Semco Machine Corporation


USPTO Granted Patents = 3

Trademarks = 1

Forward Citations = 51

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2 inventors (with patents filed for the assignee):

goldMedal Frederick J Holmes (3 out of 12 patents)

silverMedal Frederick F Holmes, Jr (1 out of 1 patent)


3 patents:

1. 6647198 - Apparatus for housing fiber optic modules (2003-11-11),
2. 6040699 - Mounting apparatus for vectorless testing (2000-03-21),
3. 5550481 - Circuit board test fixture apparatus with cam rotably mounted in (1996-08-27),
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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#5 in Wrentham, MA

#3,875 in Massachusetts

#71,950 in US

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Wrentham, MA, United States of America

Semco Machine Corporation

Forward Citations = 51

2 inventors:

goldMedal Frederick J Holmes (3 out of 12 patents)

silverMedal Frederick F Holmes, Jr (1 out of 1 patent)

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