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USPTO Patent Rankings Data through Dec 31, 2025
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Elbert M. Spencer — 6 Patents

TEThe Eastern: 6 patents #26 of 119Top 25%
Wildwood, IL: #16 of 63 inventorsTop 30%
Illinois: #15,248 of 84,256 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Elbert M. Spencer has been granted 6 US patents while listed as an inventor at The Eastern. The first was granted in 1983 and the most recent in April 1998. Elbert M. Spencer ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Elbert M. Spencer in Wildwood, IL, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D393305 Combination operated trigger lock for firearms Michael O. Misner 1998-04-07
5531084 Key for rotary plug and cylinder lock, and method of forming the key Timothy P. Laabs, Michael O. Misner, Richard H. Schulz 1996-07-02 $184,000
5485735 Key operated rotary plug and cylinder lock Timothy P. Laabs, Michael O. Misner, Richard H. Schulz 1996-01-23 $189,000
4566167 Method for assembly of anti-static switch lock Stanley C. Wolniak, Herbert Kincaid, Ronald L. Brown 1986-01-28 $97,000
4427852 Anti-static switch lock and method for assembly thereof Stanley C. Wolniak, Herbert Kincaid, Ronald L. Brown 1984-01-24 $120,000
4405843 Anti-static switch lock Stanley C. Wolniak, Ronald L. Brown 1983-09-20 $87,000