Patents by Inventor Frederick A. Stahly

Frederick A. Stahly has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and apparatus for facilitating relaxation
    Patent number: 4456347
    Abstract: A method and apparatus for assisting individuals to achieve the mental and physical relaxation which often characterizes successful meditation. Minute saccadic eye movements are monitored, and the individual is made conscious of any such movement by a sensible signal, such as an audible tone. By reducing undesired saccadic movements, the individual attains the desired state of psycho-physical relaxation. The preferred apparatus, carried by eyeglasses-type support, utilizes reflections of non-visible radiant energy to monitor eye movement.
    Type: Grant
    Filed: August 17, 1981
    Date of Patent: June 26, 1984
    Assignee: Limbic Training Systems, Inc.
    Inventor: Frederick A. Stahly
  • Composite electrically photosensitive particles for electrophoretic migration imaging process
    Patent number: 4322487
    Abstract: The present invention provides novel composite electrically photosensitive particles. Each of said particle comprises a colorant and a polymeric binder comprising repeating units containing one or more structures selected from the classes consisting of triarylamines; p-aminotetraarylmethanes; 4,4'-bis(p-amino)triarylmethanes; 1,1-bis(p-aminoaryl)isobutanes; 1,1-bis(p-aminoaryl)cyclohexanes; N-alkyl-N,N-diarylamines; N,N-dialkyl-N-arylamines and heterocyclic nitrogen compounds having about 4 to 10 carbon atoms.
    Type: Grant
    Filed: August 8, 1979
    Date of Patent: March 30, 1982
    Assignee: Eastman Kodak Company
    Inventors: Stewart H. Merrill, Frederick A. Stahly, Ernest W. Turnblom, Beth G. Wright, Hal E. Wright
  • Method of using liquid electrographic developers containing polymeric quaternary salts
    Patent number: 4273849
    Abstract: A negatively charged liquid electrographic developer comprising an electrically insulating carrier liquid such as a paraffinic hydrocarbon fraction, having stably dispersed therein (a) a halogenated polymer, such as chlorinated polyethylene, and having dissolved therein (b) a copolymer of a quaternary ammonium salt monomer and a solubilizing monomer and (c) a copolymer of a polar monomer and a solubilizing monomer.
    Type: Grant
    Filed: March 31, 1980
    Date of Patent: June 16, 1981
    Assignee: Eastman Kodak Company
    Inventors: Stewart H. Merrill, Alec N. Mutz, Frederick A. Stahly
  • Liquid electrographic developers containing polymeric quaternary salts
    Patent number: 4229513
    Abstract: A negatively charged liquid electrographic developer comprising an electrically insulating carrier liquid such as a paraffinic hydrocarbon fraction, having stably dispersed therein (a) a halogenated polymer, such as chlorinated polyethylene, and having dissolved therein (b) a copolymer of a quaternary ammonium salt monomer and a solubilizing monomer and (c) a copolymer of a polar monomer and a solubilizing monomer.
    Type: Grant
    Filed: May 29, 1979
    Date of Patent: October 21, 1980
    Assignee: Eastman Kodak Company
    Inventors: Stewart H. Merrill, Alec N. Mutz, Frederick A. Stahly
  • Electrophoretic migration imaging composition and process using same
    Patent number: 4219614
    Abstract: An electrophoretic migration imaging composition featuring certain polymeric charge control agents is provided. An electrophoretic migration imaging process using these imaging compositions is also provided.
    Type: Grant
    Filed: September 29, 1977
    Date of Patent: August 26, 1980
    Assignee: Eastman Kodak Company
    Inventor: Frederick A. Stahly
  • Liquid electrographic developer
    Patent number: 4171275
    Abstract: Liquid developers for electrography comprise an electrically insulating carrier liquid containing (1) an addition polymer comprising a polar moiety and at least one additional moiety having predetermined solubility characteristics with respect to the carrier liquid, (2) a polymer comprising a phosphonate moiety, and (3) a halogenated polymer.
    Type: Grant
    Filed: August 12, 1977
    Date of Patent: October 16, 1979
    Assignee: Eastman Kodak Company
    Inventors: Stewart H. Merrill, Alec N. Mutz, Frederick A. Stahly