NOTE: Apparently the rights never were obtained, the videos were never released. I know of no one currently trying to release R-G's films on video. You may be able to find some of of R-G's films on video through mail-order video companies--search around.
OLD INFORMATION, NO LONGER APPLICABLE:
I've recently received word that the official US rights to Robbe-Grillet's films have been finally obtained, and that his films will be released on video starting late this year (1998). The first two releases will be:
Alain Robbe-Grillet Main Page