Individual holder
VROOM ALAN H
2 granted patents·81 citations·filing 1976–1977
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0181US4058500ASulphur cements, process for making same and sulphur concretes made therefromVROOM ALAN H·Filed 1976·Granted Nov 15, 1977·43 cites·24 claims
- 0278US4293463ASulphur cements, process for making same and sulphur concretes made therefromVROOM ALAN H·Filed 1977·Granted Oct 6, 1981·38 cites·28 claims
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