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RM

Robert H. McEachern — 2 Patents

Edgewater, MD: #24 of 98 inventorsTop 25%
Maryland: #13,510 of 35,612 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert H. McEachern has been granted 2 US patents. The first was granted in 1993 and the most recent in March 1997. Robert H. McEachern ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert H. McEachern in Edgewater, MD, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5615302 Filter bank determination of discrete tone frequencies — 1997-03-25
5214708 Speech information extractor — 1993-05-25

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