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For the Inventor, By the Inventor

Roseland, NJ, United States of America

Aqua Meter Instrument Corporation


USPTO Granted Patents = 3

Forward Citations = 37

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2 inventors (with patents filed for the assignee):

goldMedal Henry G Grilk (2 out of 5 patents)

silverMedal William Macowski (1 out of 42 patents)


3 patents:

1. D308646 - Carbon monoxide detector (1990-06-19),
2. D286384 - Depth sounder (1986-10-28),
3. D257237 - Compass hood (1980-10-07),
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USPTO Data Jan 1 1976 - Jan 20 2026

3 Patents

#11 in Roseland, NJ

#2,628 in New Jersey

#72,234 in US

Roseland, NJ (US)
Roseland, NJ, United States of America

Aqua Meter Instrument Corporation

Forward Citations = 37

2 inventors:

goldMedal Henry G Grilk (2 out of 5 patents)

silverMedal William Macowski (1 out of 42 patents)

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