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F. Leon — 1 Patent

TOTosco: 1 patents #12 of 28Top 45%

Los Angeles, CA: #7,104 of 12,377 inventorsTop 60%

California: #249,524 of 386,348 inventorsTop 65%

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

1 Patents All Time

F. Leon has been granted 1 US patent while listed as an inventor at Tosco. All of these patents were granted in 1980. F. Leon ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list F. Leon in Los Angeles, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
4193756	Seal assembly and method for providing a seal in a rotary kiln	—	1980-03-18	$2,765,000

F. Leon — 1 Patent

Issued Patents All Time

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