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For the Inventor, By the Inventor

Saint Paul, MN, United States of America

Ramsey Foundation


USPTO Granted Patents = 3

Forward Citations = 334

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2 inventors (with patents filed for the assignee):

goldMedal Douglas G Wysham (2 out of 2 patents)

silverMedal William Howard Frey, Ii (1 out of 56 patents)


3 patents:

1. 5624898 - Method for administering neurologic agents to the brain (1997-04-29),
2. 5423331 - One-handed angioplasty steering device and method (1995-06-13),
3. 4957117 - One-handed percutaneous transluminal angioplasty steering device and (1990-09-18),
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USPTO Data Jan 1 1976 - Sep 15 2026

3 Patents

#208 in Saint Paul, MN

#1,979 in Minnesota

#73,706 in US

Saint Paul, MN (US)
Saint Paul, MN, United States of America

Ramsey Foundation

Forward Citations = 334

2 inventors:

goldMedal Douglas G Wysham (2 out of 2 patents)

silverMedal William Howard Frey, Ii (1 out of 56 patents)

Please report any incorrect information to [email protected]
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