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David Spiers — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Google: 1 patents #14,887 of 22,993Top 65%
Shrewsbury, GB: #38 of 265 inventorsTop 15%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
David Spiers has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 1998 and the most recent in January 2012. David Spiers ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list David Spiers in Shrewsbury, GB.

Patents per Year

Patents granted per year, 1998 to 2012Bar chart with a peak of 1 patents in 1998.peak 11998: 1 patents19982008: 1 patents20082010: 1 patents20102012: 1 patents2012

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8104152 Tray for collecting and/or treating decomposition fluids from a corpse — 2012-01-31
D609875 Cover — 2010-02-09
7458138 Grave lining system Michael Evason 2008-12-02
5789092 Method and equipment for prevention of cooling of electrochemical devices Jyrki Rainer Leppanen 1998-08-04

Frequent Collaborators

Jyrki Rainer Leppanen1 shared
Michael Evason1 shared

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