IP Library › Granted Patent US 4,813,925
Granted Patent Utility
US 4,813,925 · App. 07/040,959

Spiral ureteral stent

Inventors: Donald L. Anderson, James T. Maerzke
Patented Case View Patent ↗
Granted: Mar 21, 1989 Filed: Apr 21, 1987
Inventors
Donald L. Anderson
James T. Maerzke
Assignee (at issue)
Medical Engineering Company, LLC

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Quick Facts
Patent No.
US 4,813,925
App. No.
07/040,959
Filed
1987-04-21
Granted
1989-03-21
Kind
A