Environmental control apparatus Trademarks Filed in October 27, 1959
HYDROVOID
Filed: October 27, 1959
Isolation Chambers Providing a Protected Atmosphere for the Handling of Sensitive Articles
Owned by: Air Control, Inc.
Serial Number: 72084045
SQUARESPRAY
Filed: October 27, 1959
SPRINKLERS
Owned by: PROEN PRODUCTS CO.
Serial Number: 72084092
