OHD Trademark

Downloadable computer software for operating respirator fit testing machines that test the effectiveness of respiratory protection equipment; diagnostic apparatus and instruments, namely for determining flaws of respirators; testing apparatus and instruments, namely for respirator fit testing; electronic apparatus and instruments for occupational health and safety, namely, machines that test the effectiveness of respiratory protection equipment; adapters for respirators for the prevention of accident or injury; attachments for respirators for the prevention of accident or injury, namely, for connecting a fit testing device to a respirator used for workplace protection; adapters comprised of a threaded end cap, valve connector, diaphragm, and filter adapted for connecting a fit testing device to a respirator used for workplace protection.

Distribution services, namely, delivery of respirator fit testing devices, respirator adapters, sound level meters, noise dosimeters, acoustic and vibration monitoring devices, heat stress monitoring devices, audiometers, spirometers, sound booths, alcohol test devices, vision screeners, environmental monitoring devices, and air sampling devices.

adapters for respirators for filtering air for medical purposes; attachments for respirators for filtering air for medical purposes, namely, for connecting a fit testing device to protective medical respirators; adapters comprised of a push probe and sampling port for protective medical respirators.