Inventor

DRETLER STEPHEN P

US5 patents

⚠️ This page may combine multiple inventors who share the name “DRETLER STEPHEN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DRETLER STEPHEN P

2 patents

US4927426AMay 22, 1990

Catheter device

DRETLER STEPHEN P372 citations96

US4589868AMay 20, 1986

Expandable dilator-catheter

DRETLER STEPHEN P360 citations96

PHYSICAL SCIENCES INC

1 patent

US5246447ASep 21, 1993

Impact lithotripsy

PHYSICAL SCIENCES INC128 citations96

MASSACHUSETTS INST TECHNOLOGY

1 patent

US5776348AJul 7, 1998

Mineral precipitation system and method for inhibiting mineral precipitate formation

MASSACHUSETTS INST TECHNOLOGY27 citations86

MICROSPRING CO LLC

1 patent

US6620172B1Sep 16, 2003

Entraining biological calculi

MICROSPRING CO LLC38 citations83