DICALITE
Filed: August 3, 1948
DIATOMACEOUS EARTH, KIESEGUHR, AND INFUSORIAL EARTH IN LUMPS OR PULVERIZED FORM, MORE OR LESS DRIED, USED IN THE PREPARATION…
Owned by: RAYMOND AND RUTH PERELMAN EDUCATION FOUNDATION
Serial Number: 71562698
SPEEDEX
Filed: August 3, 1948
DIATOMACEOUS EARTH IN FINELY COMMINUTED FORM FOR USE AS A FILTER AID
Owned by: RAYMOND AND RUTH PERELMAN EDUCATION FOUNDATION
Serial Number: 71562701
SUPERAID
Filed: August 3, 1948
DIATOMACEOUS EARTH IN FINELY COMMINUTED FORM FOR USE AS A FILTER AID
Owned by: RAYMOND AND RUTH PERELMAN EDUCATION FOUNDATION
Serial Number: 71562704
PERMALITE
Filed: November 26, 1948
LIGHT WEIGHT SILICEOUS POWDERED AND GRANULAR MATERIALS-NAMELY, EXPANDED PERLITE FOR USE AS A FILLER, FILTER AID, INSULATING…
Owned by: RAYMOND AND RUTH PERELMAN EDUCATION FOUNDATION
Serial Number: 71569451
PERMALITE
Filed: March 27, 1961
Light Weight Aggregate for Use as a Soil Conditioner
Owned by: RAYMOND AND RUTH PERELMAN EDUCATION FOUNDATION
Serial Number: 72116508
