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Cambridge, MA, United States of America

Ward D Halverson

USPTO Granted Patents = 6

Average Co-Inventor Count = 2.8

ph-index = 6

Forward Citations = 136(Granted Patents)

Company Filing History:

Spire Corporation

Massachusetts Institute of Technology

Air Products and Chemicals, Inc.

Years Active: 1986-2003

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6661875 - Catheter tip x-ray source (2003-12-09),

2. 5231073 - Microwave/far infrared cavities and waveguides using high temperature (1993-07-27),

3. 5052339 - Radio frequency plasma enhanced chemical vapor deposition process and (1991-10-01),

4. 4918049 - Microwave/far infrared cavities and waveguides using high temperature (1990-04-17),

5. 4743308 - Corrosion inhibition of metal alloys (1988-05-10),

6. 4604292 - X-ray mask blank process (1986-08-05),

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