LandOfFree - US Patents - Listing for Surgery,Respiratory method or device,Including body or head supported means covering user's scalp

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Cold weather breathing apparatus

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Combination of a helmet and a respiratror and a method for using

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Combination oxygen supplement and swimming snorkel apparatus

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Combined aircrew systems tester (CAST)

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Combined aircrew systems tester (CAST)

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Combined half-mask and hood type protective respiratory device

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Compatible smoke and oxygen masks for use on aircraft

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Contamination prevention device for diver's breathing apparatus

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Cough-a-lizer

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Coveralls for protection against flash fires

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Customizable mouthpiece for scuba-divers

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Deep diving apparatus

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Deep diving breathing systems

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Deep sea diving system having a closed respiratory gas circulati

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Deep submergence respirator outfit

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Delivery conduit for a breathing equipment

Utility Patent

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Device for improving breathing

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Device for improving breathing

Surgery – Respiratory method or device – Including body or head supported means covering user's scalp

Device for providing protection against hypoxia, usable in a...