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  1. US3200819A - Smokeless non-tobacco cigarette - Google Patents

    The heating element is preferably a vacuum tube or bulb 36 having a screw plug 37 for detachable engagement with the socket 30. The screw plug 3-7 has an end contact 38 adapted to close against...

  2. US2343209A - Cinder trap - Google Patents

    Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)...

    Missing:
    • vacuum cleaner
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  3. USD137394S - Hand operated generator flashlight - Google Patents

    Similar Documents Publication Publication Date Title USD137394S 1944-02-29 Hand operated generator flashlight USD143336S 1945-12-25 Design for a lighting fixture USD137388S 1944-02-29 …

    Missing:
    • vacuum cleaner
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  4. US2423448A - Fist gun - Google Patents

    Applications Claiming Priority (1) Application Filing date Title US524435A 1944-02-29 Fist gun

    Missing:
    • vacuum cleaner
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  5. US2350348A - Heat transfer device - Google Patents

    R. s. GAUGLER HEAT TRANSFER DEVICE Filed Dec. 21,1942 June 6, 1944. J INVENTOR. Patented June 6, 1944 HEAT TRANSFER DEVICE Richard S. Ganglcr, Dayton, Ohio, assignor to General …

    Missing:
    • vacuum cleaner
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  6. US3103378A - Spring catch - Google Patents

    References Cited in the file of this patent UNITED STATES PATENTS 894,115 Case July 21, 1908 2,169,691 Hammer Aug. 15, 1939 2,342,831 Borchers Feb. 29, 1944 2,342,832 Borchers Feb. 29,...

    Missing:
    • vacuum cleaner
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  7. US2538122A - Counter - Google Patents

    H — ELECTRICITY H03 — ELECTRONIC CIRCUITRY H03K — PULSE TECHNIQUE H03K23/00 — Pulse counters comprising counting chains; Frequency dividers comprising counting chains …

  8. US2955156A - Stereoscopic-television apparatus for individual use ...

    My invention generally speaking comprises the following elements: a hollow casing, a pair of optical units, a pair of television tube units, a pair of ear phones and a pair of air discharge...

    Missing:
    • vacuum cleaner
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  9. High foaming liquid alkaline cleaner concentrate composition

    Optionally, an organic solvent can be utilized. The high foaming liquid alkaline cleaning composition is generally prepared in a concentrated form and can be diluted as with water. The alkaline...

  10. US2343227A - Suction cleaner - Google Patents

    This result is obtained by the provision of a feeler which is adapted to contact the supporting surface below the cleaner nozzle and below the cleaner agitator.