Bruce E. S. MacDonald — 3 Patents at Signtech

Bruce E. S. MacDonald has been granted 3 US patents while listed as an inventor at Signtech. The first was granted in 1985 and the most recent in July 1991. Bruce E. S. MacDonald ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Bruce E. S. MacDonald in Saskatoon, SK, CA.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5033216	Sign assembly	James Gandy	1991-07-23
4937961	Sign assembly	James Gandy	1990-07-03
4515818	Process for preparing sunflower butter spread from pretreated sunflower seeds	Geoffrey Galloway, Yukio Kakuda	1985-05-07

Bruce E. S. MacDonald — 3 Patents

Issued Patents All Time

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