Who knows the history or timeline of Pearl's Sensitone Snare line

I have often stated that I feel Pearl's Sensitone line is the under rated workhorse of the snare drum world. I have had several move in and out through the years in a variety of shell material and sizes and have never had a bad one. Recently I decided I wanted to add a nice high end crack to my

About Pearl Pearl Drums -Official site

Who knows the history or timeline of Pearl's Sensitone Snare line?

Pearl Announces Further Products Following 75th Anniversary - Drummer's Review

Pearl SensiTone Heritage Alloy Steel - Snare Comparative Test

A History of the Drum Set: Toms, Snares, and Kicks

Pearl Announces Further Products Following 75th Anniversary - Drummer's Review

Pearl Announces Further Products Following 75th Anniversary - Drummer's Review

Pearl Drums - Wikipedia

A History of the Drum Set: Toms, Snares, and Kicks

12 NEW DRUM FINISHES IN 2020