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Dennis B. Dop — 2 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
Antioch, IL: #87 of 214 inventorsTop 45%
Illinois: #34,875 of 84,256 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dennis B. Dop has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 1989 and the most recent in February 1993. Dennis B. Dop ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dennis B. Dop in Antioch, IL, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5185779 Cellular alarm backup system Michael Freitag, Norbert W. Zawacki 1993-02-09
4887290 Cellular alarm backup system Michael Freitag, Norbert W. Zawacki 1989-12-12

Frequent Collaborators

Norbert W. Zawacki2 shared
Michael Freitag2 shared

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