Document Y9xKGJweD7DxML0NO2Lm5Ook

The RUBERom ea January 16, 1968 Mr. J. R. Alien E. 1, DuPont de Nemours & Co., Inc. Engineering Department Lcuvieru Building WUcdngton, Delaware 19893 Dear Roy: cc: Messrs. Bettoli Davis Henry O'Brien MICH09154