Portable toilet

Details Portable toilet Portable toilet

1979-09-10

1981-11-24

Largen, James R.

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Element or attachment, not elsewhere specified

D2302

Patent

active

D02620502

REFERENCES:
patent: D231458 (1974-04-01), Fulton et al.
patent: D250344 (1978-11-01), Sargent et al.
patent: D255597 (1980-06-01), Sargent et al.
patent: D255828 (1980-07-01), Butler et al.
patent: D257385 (1980-10-01), Sargent et al.
patent: 3747130 (1973-07-01), Sargent et al.
patent: 3801991 (1974-04-01), Fulton et al.
patent: 3851339 (1974-12-01), Flinner et al.
patent: 3949430 (1976-04-01), Miller et al.
patent: 4091475 (1978-05-01), Hewson et al.
patent: 4180876 (1980-01-01), Sargent et al.
patent: 4215445 (1980-08-01), Antos et al.

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