photo #8869406

mark szymanski
on December 24, 2025
2 views
This company filed for a patent called Process for Preparing Adrenochrome back in 1982.
Then was "corrected" to Minnesota Mining and Manufacturing Company, St Paul, Minnesota" in 1985
Look it up
Patent: 4501923
In Album: mark szymanski's Timeline Photos
Dimension: 896 x 1138
File Size: 151.04 Kb
View More View Less
Be the first person to like this.