Sounds great, Johnny!

Ya, they're not too shabby. I'm curious if anyone else owns one of these or has even seen one, surely there must be some in circulation.

Here is the patent for the lug design. One of many that CBS filed for after Joe passed giving credit where credit was due.

Very cool patent drawings. That for posting those Gary N. Looks like you have a winner there Mark.

JR, do not sell or trade that kit! Having toured all over the world, I've only seen one other one besides yours. I predict the Henry Grossman era Duplex drums will someday be worth a small fortune.

Remember that saying, "Be the first kid on your block", I think maybe, I'm the only kid on my block.Mind Blowi

Here is the trademark filed back in the day:

There seems to be more paperwork out there than actual drums.

I have the paper trail because I was doing research on Grossman and Rogers. I remember a set or two on the dfo other forum. There are more drums like yours out there just not this month to see. They pop up from time to time Mr. Grossman sold a lot of drums.

I have a Duplex cowbell that was not used. For NOS I'd like 60.00 plus shipping. If interested email direct fltgrycleav at yahoo dot com