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Gary Whipple, David L Hunt, Richard F Schwemberger: Ultrasonic surgical instrument with removable clamp arm. Ethicon Endo Surgery, Verne E Kreger Jr, April 10, 2001: US06214023 (178 worldwide citation)

The present invention describes ultrasonic surgical instruments that include a mechanism for clamping tissue against an ultrasonic blade, including an arrangement for detachably mounting a clamp arm to the instrument. The ultrasonic surgical instrument comprises a waveguide adapted to be acousticall ...


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David L Hunt: Metal roofing system. Revere Copper Products, Harris Beach & Wilcox, November 28, 1995: US05469680 (18 worldwide citation)

In a metal roofing system in which a plurality of overlapping horizontal courses of metal shingles are secured to a roofing substructure, each course being formed from a horizontal row of metal shingles that overlap and interlock with other metal shingles in a course disposed directly therebelow, an ...


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