The Wikipedia biography of Richard Gurley Drew, the 3M engineer who invented masking tape in 1925 and cellophane adhesive tape (Scotch tape) in 1930, consulted for its account of the 1930 invention and its use during the Great Depression.
Facts
AuthorWikipedia contributors
PublisherWikimedia Foundation
URLhttps://en.wikipedia.org/wiki/Richard_Gurley_Drew
Source TypeReference Work
Reliability Tier2
Sources
Richard Gurley Drew (Wikipedia)
Claims Backed By This Source (10 claims)
This source backs 10 claims across the atlas. As facts: 8 well-attested. Plus 2 entities citing it as a general reference with no single fact or relationship attached.
Disposition By Topic
- Sources, 6 claims: 6 well-attested.
- Inventions, 4 claims: 2 well-attested, 2 general references.
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