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For the Inventor, By the Inventor

Sollentuna, Sweden

Hjelmco Ab


USPTO Granted Patents = 2


Forward Citations = 0

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1 inventor (with patents filed for the assignee):

goldMedal Lars Hjelmberg (2 out of 2 patents)


2 patents:

1. 10683462 - Aviation gasoline composition, its preparation and use (2020-06-16),
2. 10385284 - Aviation gasoline composition, its preparation and use (2019-08-20),
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USPTO Data Jan 1 1976 - Oct 6 2026

2 Patents

#18 in Sollentuna

#2,182 in Sweden

Sollentuna, SE
Sollentuna, Sweden

Hjelmco Ab

Forward Citations = 0

1 inventor:

goldMedal Lars Hjelmberg (2 out of 2 patents)

Please report any incorrect information to [email protected]
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