If I remember right,
CloneZilla could copy multi-partition drives (i.e. OSX + Windows + Linux). USB drives can be a little funny to work with sometimes tho. On the Windows side of things, EaseUS Todo Backup might be able to do it, but you should probably be able to do it with CloneZilla. Found an interesting thread here, if that doesn't work:
I have a bootable USB flash drive that I made with YUMI http://www.pendrivelinux.com/yumi-multiboot-usb-creator/ I can make a backup image but when I restore the image the drive isn't bootable. The same thing happens if I try to clone the drive to another flash drive. I've tried every setting I...
forum.acronis.com
The user in post #7 created a BIN extract of his USB drive using ImageUSB:
ImageUSB is a free utility designed for use with OSForensics. ImageUSB is an effective tool for writing an image to multiple USB Flash Drives for mass duplication. Download PassMark ImageUSB from this page for free!
www.osforensics.com
Also, I haven't used it, but Stellar Clone Drive for OSX might be an option:
stellarclonedrive.com is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, stellarclonedrive.com has it all. We hope you find what you are searching for!
www.stellarclonedrive.com
Also wassup man! LTNS. Been awhile since I've trolled the Apple forum, haha!
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