Let's look for "ROGERS" logos !

At first,

What is this plate?

This is the Sta-tite strainer's face plate of Luxor snare.

Another Luxor snare's "ROGERS" logo

This is the end plate of snare wires.

Then...

T-rod of "XP-8 BD"

Next...

Base plate of "SWIV-O-MATIC Hi-Hat stand"

And...

XP-8 12" tom bracket

Enlarged

Overlooking

"DUAL TOM STAND"

Overlooking

Snare drum strainer of "SUPERTEN" 70's

Enlarged

Butt side
(Back plate)

What is this?

Yes, this is a Rogers Key!

The logos which I found at present are only these...