1
Irvin F Hawkins Jr, Mark C Hawkins: Apparatus and method for removing a target object from a body passsageway. Finnegan Henderson Farabow Garrett & Dunner, December 13, 1988: US04790812 (544 worldwide citation)

An apparatus and method for removing a target object from a body passageway. The apparatus comprises a catheter, a spiral wound coil disposed within the catheter and rotatably driven by an air actuated drive means, and a parachute basket. The spiral wound coil has a cutting tip at its distal end whi ...


2
Irwin F Hawkins, George A Rafferty Jr, Mark C Hawkins, Jeffrey S Hawkins: Localization needle assembly. National Standard Company, Emrich & Dithmar, January 24, 1989: US04799495 (211 worldwide citation)

A localization needle assembly includes an outer tubular cannula and an inner needle slidably mounted for movement within the outer cannula between extended and retracted portions, the needle having a pointed tip which projects from the front end of the assembly when the needle is extended while the ...


3
Zachary Parker, Mark C Hawkins: System and method for detecting microscopic leaks. REDLINE DETECTION, Stetina Brunda Garred & Brucker, April 3, 2018: US09933326

A universal leak detection method for detecting both small and large leaks. The method includes the steps of: injecting smoke and a detectable gas into a fluid system to pressurize the fluid system, the smoke and detectable gas both being capable of passing through a large leak in the fluid system, ...