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Michael B. Shields — 2 Patents

Sony: 2 patents #13,023 of 25,231Top 55%

Redwood City, CA: #2,815 of 5,061 inventorsTop 60%

California: #187,151 of 386,348 inventorsTop 50%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

2 Patents All Time

Michael B. Shields has been granted 2 US patents while listed as an inventor at Sony. All of these patents were granted in 1989. Michael B. Shields ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Michael B. Shields in Redwood City, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4866719	System and method for performing error correction on still frame audio tape format video signals	Donald E. Morgan	1989-09-12	$206,000
4816723	Variable speed motor control method and apparatus	Barrett E. Guisinger	1989-03-28	$218,000

Michael B. Shields — 2 Patents

Issued Patents All Time

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