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USPTO Patent Rankings Data through Dec 31, 2025
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Ken E. Tuttle — 4 Patents

DTDavidson Textron: 4 patents #29 of 155Top 20%
South Berwick, ME: #8 of 31 inventorsTop 30%
Maine: #974 of 4,281 inventorsTop 25%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ken E. Tuttle has been granted 4 US patents while listed as an inventor at Davidson Textron. The first was granted in 1989 and the most recent in December 1992. Ken E. Tuttle ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ken E. Tuttle in South Berwick, ME, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5173228 Method for forming a 360 degree skin handle Reza Kargarzadeh, John A. Grimes 1992-12-22 $19,639,000
5125815 Apparatus for forming a 360 degree skin handle Reza Kargarzadeh, John A. Grimes 1992-06-30 $6,218,000
5037687 Method and apparatus for forming a 360 degree skin handle Reza Kargarzadeh, John A. Grimes 1991-08-06 $8,610,000
4839117 Method and apparatus for forming a composite foam shell and insert article Harold W. Swenson 1989-06-13 $2,771,000