Derek Smith — 6 Patents at Comcast

Derek Smith has been granted 6 US patents while listed as an inventor at Comcast. The first was granted in 1984 and the most recent in October 2025. Derek Smith ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Derek Smith in Johannesburg, IL, ZA.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
12445490	Network watermark	Robert W. Twitchell, Jr.	2025-10-14
8807028	Magnetic chase and graphic arts die assembly with a selectively actuatable means for raising and supporting the die plate during alignment	Larry R. Hutchison, Todd E. Scholtz	2014-08-19
8146494	Magnetic chase and graphic arts die assembly with selectively actuatable means for raising and supporting the die plate during alignment	Larry R. Hutchison, Todd E. Scholtz	2012-04-03
7096709	Graphic arts die and support plate assembly	Larry R. Hutchison	2006-08-29
4703586	Door sealing mechansim	David Seed	1987-11-03
4472915	Provision of anchorage points adjacent beading mounted windows	—	1984-09-25

Derek Smith — 6 Patents

Issued Patents All Time

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