Electric sauna bath heater
United States Patent 3309503
Inventors:
Dow, Gordon M.
Swenson, Lowell T.
Publication Date:
03/14/1967
Assignee:
DOW KEY COMPANY INC
Other Classes:
4/524, 126/344, 219/475, 392/399, 392/354
International Classes:
A61H33/06
Foreign References:
| NO63474A | | | | |
| NO74066A | | | | |
| SE107901A | | | | |
| SE122557A | | | | |
| CH235386A | | | | |