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Robert S. Willard — 1 Patent

SPSparton: 1 patents #27 of 62Top 45%

Denver, CO: #2,572 of 4,554 inventorsTop 60%

Colorado: #24,258 of 40,980 inventorsTop 60%

Overall (All Time): #2,406,284 of 4,157,543Top 60%

1 Patents All Time

Robert S. Willard has been granted 1 US patent while listed as an inventor at Sparton. All of these patents were granted in 1982. Robert S. Willard ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Robert S. Willard in Denver, CO, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4338978	Lead chloride battery plate	John L. Devitt, Douglas E. Johnson	1982-07-13	$405,000

Robert S. Willard — 1 Patent

Issued Patents All Time

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