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For the Inventor, By the Inventor

Hagerstown, MD, United States of America

Enviracaire Corporation


USPTO Granted Patents = 1

Forward Citations = 72

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1 inventor (with patents filed for the assignee):

goldMedal George B Davis (1 out of 9 patents)


1 patent:

1. 4629482 - HEPA room air purifier (1986-12-16),
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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#12 in Hagerstown, MD

#2,001 in Maryland

#133,947 in US

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Hagerstown, MD, United States of America

Enviracaire Corporation

Forward Citations = 72

1 inventor:

goldMedal George B Davis (1 out of 9 patents)

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