Inventor

NIEMANN ALLISON C

US4 patents

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

UNIV MASSACHUSETTS

3 patents

US6440063B1Aug 27, 2002

Surgical access port and laparoscopic surgical method

UNIV MASSACHUSETTS405 citations98

US6142936ANov 7, 2000

Surgical access port and method for accessing a patient's body cavity

UNIV MASSACHUSETTS356 citations98

US5906577AMay 25, 1999

Device, surgical access port, and method of retracting an incision into an opening and providing a channel through the incision

UNIV MASSACHUSETTS1,743 citations98

BEANE RICHARD

1 patent

US7008377B2Mar 7, 2006

Surgical access port

BEANE RICHARD377 citations96