For the Inventor, By the Inventor

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Derwood, MD, United States of America

Cis-Lunar Development Laboratories

USPTO Granted Patents = 3

Forward Citations = 53

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1 inventor (with patents filed for the assignee):

William C Stone (3 out of 37 patents)

3 patents: Sort by Forward Citations

1. 5368018 - Breathing apparatus mouthpiece (1994-11-29),

2. 5127398 - Breathing apparatus mouthpiece (1992-07-07),

3. 4974585 - Breathing apparatus gas-routing manifold (1990-12-04),

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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#2 in Derwood, MD

#1,072 in Maryland

#72,066 in US

Derwood, MD, United States of America

Cis-Lunar Development Laboratories

Forward Citations = 53

1 inventor:

William C Stone (3 out of 37 patents)

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