STEVENS, MR. ROBERT C.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5431428 Carrying case assembly with built-in cartExpiredNov 09, 93Jul 11, 95[B62B]
D357354 Carrying case with built-in cartExpiredNov 09, 93Apr 18, 95[]
5116350 Catheter system having distal tip for opening obstructionsExpiredJun 14, 90May 26, 92[A61B]
4936845 Catheter system having distal tip for opening obstructionsExpiredJun 21, 89Jun 26, 90[A61B]
4854325 Reciprocating guidewire methodExpiredNov 09, 87Aug 08, 89[A61B]
4302007 Swimmer's drag producing beltExpiredJan 19, 79Nov 24, 81[A63B]

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