ID on Kohler toilets

[John/Charleston]

I can't find any id info for two Kohler toilets.
One has the following inside the tank:

K-37-07-0103

The other has:

Kohler Co
K 45 AA
.6gpf / 6lpf
7 27 95 2 96

Any ideas? Are these too old to be found in the Kohler id system?

Thanks,
John