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Home › Yoder Brother › William E. Duffett

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William E. Duffett — 137 Patents

YBYoder Brother: 121 patents #4 of 39Top 15%

UNUnknown: 14 patents #423 of 83,584Top 1%

Salinas, CA: #3 of 367 inventorsTop 1%

California: #1,209 of 386,348 inventorsTop 1%

Overall (All Time): #7,506 of 4,157,543Top 1%

137 Patents All Time

William E. Duffett has been granted 137 US patents while listed as an inventor at Yoder Brother. The first was granted in 1980 and the most recent in March 2004. William E. Duffett ranks #7,506 of 4,157,543 US inventors in our database (top 0.18%). Patent records list William E. Duffett in Salinas, CA, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 137 patents

Patent #	Title	Co-Inventors	Date
6703057	Granulated sugar product	—	2004-03-09
PP6905	Chrysanthemum plant named Mesmer	—	1989-07-04
PP6885	Chrysanthemum plant named Flex	—	1989-06-27
PP6889	Chrysanthemum plant named Piranga	—	1989-06-27
PP6613	Chrysanthemum plant named Boaldi	Cornelis P. VandenBerg	1989-02-21
PP6615	Chrysanthemum plant named Raya	—	1989-02-21
PP6499	Chrysanthemum plant named Dart	Cornelis P. VandenBerg	1988-12-27
PP6399	Chrysanthemum plant named Vero	Cornelis P. VandenBerg	1988-11-15
PP6388	Chrysanthemum plant named Mirage	Grace H. Mack	1988-11-08
PP6311	Chrysanthemum plant named Donos	—	1988-09-27
PP6232	Chrysanthemum plant named Ovaro	—	1988-07-26
PP6131	Chrysanthemum plant named Theme	—	1988-03-15
PP6130	Chrysanthemum plant named Togos	—	1988-03-15
PP6124	Chrysanthemum plant named Omegon	—	1988-03-08
PP6125	Chrysanthemum plant named Iridon	—	1988-03-08
PP6061	Carnation plant named Ace High	—	1987-12-15
PP6058	Chrysanthemum plant named Solo	—	1987-12-08
PP6059	Chrysanthemum plant named Adorn	Cornelis P. VandenBerg, Grace H. Mack	1987-12-08
PP6052	Chrysanthemum plant named Zilcon	—	1987-12-01
PP6051	Chrysanthemum plant named Calvex	—	1987-12-01
PP6050	Chrysanthemum plant named Kardo	—	1987-12-01
PP5996	Chrysanthemum plant named Falma	—	1987-05-19
PP5995	Chrysanthemum plant named Triumph	Cornelis P. VandenBerg, Grace H. Mack	1987-05-19
PP5989	Chrysanthemum plant named Allure	Cornelis P. VandenBerg, Grace H. Mack	1987-05-19
PP5986	Chrysanthemum plant named Envy	—	1987-05-12