#US152
This is incorrect. The patent for peanut butter (patent US597158A) was held by Rosefield Packing Company Ltd, which eventually was bought by Best Foods, now part of Unilever. The patent expired in 1943, incidentally.
patents.google.com/patent/US152...
US1528077A - Peanut butter - Google Patents
patents.google.com
April 5, 2024 at 1:31 PM