For the Inventor, By the Inventor

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Duma Ab

USPTO Granted Patents = 3

Forward Citations = 34

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4 inventors (with patents filed for the assignee):

Bernard Sams (1 out of 32 patents)

Cyril Poore (1 out of 1 patent)

Marja Eriksson (1 out of 1 patent)

4. Sven Sondal (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5188253 - Container and method of manufacturing the same (1993-02-23),

2. 4860907 - Closure for containers (1989-08-29),

3. 4623344 - Dosing means for a hypodermic syringe (1986-11-18),

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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#140 in

#1,562 in Sweden

Duma Ab

Forward Citations = 34

4 inventors:

Bernard Sams (1 out of 32 patents)

Cyril Poore (1 out of 1 patent)

Marja Eriksson (1 out of 1 patent)

4. Sven Sondal (1 out of 1 patent)

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