Engine heating unit

Details Engine heating unit Engine heating unit

1988-04-25

1990-09-25

Word, A. Hugo

Equipment for production, distribution, or transformation of ene

Energy conversion or transformation

Element or attachment

D15 5, D23324

Patent

active

D03108171

REFERENCES:
patent: D183928 (1958-11-01), Hose
patent: D202430 (1965-09-01), Kane
patent: D295864 (1988-05-01), Toivio et al.
patent: 1817850 (1931-08-01), Schwalbach
patent: 2712815 (1955-07-01), Blessing
patent: 3134374 (1964-05-01), Stevens
patent: 3795046 (1974-03-01), Shirn
patent: 3970816 (1976-07-01), Hosokawa et al.
patent: 4506138 (1985-03-01), Bennett et al.
patent: 4706644 (1987-11-01), Nakai
patent: 4844029 (1989-07-01), Suzuki

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