Chemicals Trademarks Filed in March 22, 1941
M-S-A
Filed: March 22, 1941
((Air Purifying Compositions, )) Ammonia Inhalants, Preparations for Exterior Applications for Treatment of Burns, ((Swabs…
Owned by: Mine Safety Appliances Company
Serial Number: 71441829
M S A
Filed: March 22, 1941
[ Dust, Fume and Mist Sampling Apparatus, Dust Counting Apparatus, ] Apparatus for Indicating Gas Concentrations, Apparatus…
Owned by: MSA Technology, LLC
Serial Number: 71441830
