The ornamental design for a combinationbathtub and shower unit and seat for handicapped and elderly persons, as shown and described.
FIG. 1 is a right front perspective view of a combination bathtub and
shower unit and seat for handicapped and elderly persons embodying my new
design; and,
FIG. 2 is a left front perspective view thereof.
The back, not shown, is substantially plain and unornamented.
Those portions shown in broken lines are for environmental and illustrative
purposes only and form no part of the claimed design.