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Lawrence Crainich is the holder of numerous US patents for innovations in the field of medical devices.

6053908: Ratchet assembly for surgical instrument
6044971: Clip cartridge
6008566: Lamp mounting assembly with banding straps
5976160: Handle mechanism with two distinct pivot points
5928264: Tissue grasping device
5722990 : Tissue grasping device 
5658297 : Surgical staple remover 
5645567 : Surgical staple and stapler device
5562681 : Staple remover
5549637 : Articulated medical instrument
5544802 : Surgical staple and stapler device
5507727 : Inflation deflation syringe assembly for use in angioplasty procedures 
5464300 : Medical instrument and coupling apparatus for same
5407293 : Coupling apparatus for medical instrument
5354304 : Modular ligation clip applicator 
5344061 : Ratchet assembly for medical instrument 
5312434 : Medical instrument 
5275583 : Trocar assembly with independently acting shield means
5222975 : Surgical staples
5180092 : Linear surgical stapling instrument 
4607638 : Surgical staples
4565386 : Ski 
4285125 : Barber-type razor