looking for these pitchers bats

[Dewey2007]

Interested in game used bats of the following MLB pitchers:

Chuck Cary (Braves)
Chuck Hensley (Giants)
Mike Cather (Braves)
Doug Nickle (Phillies, Padres)
Tyler Walker (Giants, Mets)
Ryan Drese (Nationals)

Not sure if any of them even had bats issued but if you happen to have any please e-mail me at: deweystg@berkeley.edu

Thanks!