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Method of making resistive films
Patent #: 4016061
Issued on: 04/05/1977
Inventor: Wasa , et al.
Method and apparatus for breaking the habit of smoking
Patent #: 4068672
Issued on: 01/17/1978
Inventor: Guerra
Electric filter
Patent #: 4077784
Issued on: 03/07/1978
Inventor: Vayrynen
Ultrasonic cigarette-holder or pipe stem
Patent #: 4131119
Issued on: 12/26/1978
Inventor: Blasutti
Noncombustion system for the utilization of tobacco and other smoking materials
Patent #: 4141369
Issued on: 02/27/1979
Inventor: Burruss
Automatic smoking device
Patent #: 4164230
Issued on: 08/14/1979
Inventor: Pearlman
Power-operated smoking device
Patent #: 4193411
Issued on: 03/18/1980
Inventor: Faris , et al.
Cigarettepipe with purifier
Patent #: 4215708
Issued on: 08/05/1980
Inventor: Bron
Smoking device
Patent #: 4219032
Issued on: 08/26/1980
Inventor: Tabatznik , et al.
Apparatus for reducing the desire to smoke
Patent #: 4246913
Issued on: 01/27/1981
Inventor: Ogden , et al.
Alternating current electrically resistive heating element having intrinsic temperature control
Patent #: 4256945
Issued on: 03/17/1981
Inventor: Carter , et al.
Smoke generating and dispensing apparatus and method
Patent #: 4259970
Issued on: 04/07/1981
Inventor: Green, Jr.
Device for evaporation and inhalation of volatile compounds and medications
Patent #: 4303083
Issued on: 12/01/1981
Inventor: Burruss, Jr.
Demand inhaler for oral administration of tobacco, tobacco-like, or other substances
Patent #: 4393884
Issued on: 07/19/1983
Inventor: Jacobs
Soldering iron with flat blade heating element
Patent #: 4431903
Issued on: 02/14/1984
Inventor: Riccio
Smoke generator
Patent #: 4436100
Issued on: 03/13/1984
Inventor: Green, Jr.
Soldering iron having electric heater unit with improved heat transfer characteristics
Patent #: 4463247
Issued on: 07/31/1984
Inventor: Lawrence , et al.
Solder pot
Patent #: 4562337
Issued on: 12/31/1985
Inventor: Lawrence
Method and apparatus for smoking
Patent #: 4570646
Issued on: 02/18/1986
Inventor: Herron
Smoke generating device
Patent #: 4580583
Issued on: 04/08/1986
Inventor: Green, Jr.
Cigarette packet with electric lighter
Patent #: 4621649
Issued on: 11/11/1986
Inventor: Osterrath
Heat treatment with an autoregulating heater
Patent #: 4623401
Issued on: 11/18/1986
Inventor: Derbyshire , et al.
Cigarette holder
Patent #: 4637407
Issued on: 01/20/1987
Inventor: Bonanno , et al.
Thin, flexible, autoregulating strap heater
Patent #: 4659912
Issued on: 04/21/1987
Inventor: Derbyshire
Dosing device to provide vaporized medicament to the lungs as a fine aerosol
Patent #: 4735217
Issued on: 04/05/1988
Inventor: Gerth , et al.
Electrically operated simulated cigarette
Patent #: 4771796
Issued on: 09/20/1988
Inventor: Myer
Tobacco compositions, method and device for releasing essentially pure nicotine
Patent #: 4776353
Issued on: 10/11/1988
Inventor: Lilja , et al.
Fragrance dispensing apparatus
Patent #: 4837421
Issued on: 06/06/1989
Inventor: Luthy
Smoking of regenerated tobacco smoke
Patent #: 4846199
Issued on: 07/11/1989
Inventor: Rose
Tobacco compositions, method and device for releasing essentially pure nicotine
Patent #: 4848376
Issued on: 07/18/1989
Inventor: Lilja , et al.
PTC heating device
Patent #: 4874924
Issued on: 10/17/1989
Inventor: Yamamoto, et al.
Ultrasonic pocket atomizer
Patent #: 4877989
Issued on: 10/31/1989
Inventor: Drews, et al.
Drug delivery articles utilizing electrical energy
Patent #: 4922901
Issued on: 05/08/1990
Inventor: Brooks, et al.
Simulated smoking device
Patent #: 4945931
Issued on: 08/07/1990
Inventor: Gori
Smoking articles utilizing electrical energy
Patent #: 4947874
Issued on: 08/14/1990
Inventor: Brooks, et al.
Flavor delivery articles utilizing electrical energy Patent #: 4947875
Issued on: 08/14/1990
Inventor: Brooks, et al.
December 1, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
