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Duncan MacKenzie — 4 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Lake Oswego, OR: #274 of 769 inventorsTop 40%
Oregon: #8,577 of 28,073 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Duncan MacKenzie has been granted 4 US patents while listed as an inventor at Unknown. The first was granted in 2015 and the most recent in November 2022. Duncan MacKenzie ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Duncan MacKenzie in Lake Oswego, OR, US.

Patents per Year

Patents granted per year, 2015 to 2022Bar chart with a peak of 1 patents in 2015.peak 12015: 1 patents20152019: 1 patents20192021: 1 patents20212022: 1 patents2022

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11505951 Attachment system for decking and siding — 2022-11-22
10895080 Attachment system for decking and siding — 2021-01-19
RE47495 Rain screen siding system — 2019-07-09
9109368 Rain screen siding system — 2015-08-18

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