Patents by Inventor John Perryman

John Perryman 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).

  • Multi-focal eyewear
    Patent number: 11372266
    Abstract: The multi-focal eyewear is a set of eyeglasses. The multi-focal eyewear is a prescription medical device used to correct and improve the vision of a patient. The multi-focal eyewear comprises an eyeglasses frame, a dexter lens, and a sinister lens. The dexter lens and the sinister lens mount in the eyeglasses frame. The dexter lens corrects the vision in the dexter eye of the patient. The sinister lens corrects the vision in the sinister eye of the patient. The dexter lens is a multi-focal lens. The sinister lens is a multi-focal lens.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: June 28, 2022
    Inventor: John Perryman
  • 6-(substituted methylene) penems and intermediates
    Patent number: 6600035
    Abstract: Compounds of formula (I) in which: R1 is hydrogen or an organic substituent group; R2 is a fused bicyclic heterocyclic ring system of general formula (a) wherein R4 and R5 are independently hydrogen or one or more substituents replacing hydrogen atoms in the ring system shown; m is 2 or 3; p is 0, 1 or 2; and R3 is hydrogen, a salt-forming cation or an ester-forming group; and the symbol ═/═ indicates that the double bond may be in either the E or Z configuration.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: July 29, 2003
    Assignee: SMithKline Beecham p.l.c.
    Inventors: Nigel John Perryman Broom, Frank Peter Harrington
  • 6-(substituted methylene) penems and intermediates
    Patent number: 6037469
    Abstract: Compounds of formula (I) in which: R.sup.1 is hydrogen or an organic substituent group; R.sup.2 is a fused bicyclic heterocyclic ring system of general formula (a) wherein R.sup.4 and R.sup.5 are independently hydrogen or one or more substituents replacing hydrogen atoms in the ring system shown; m is 2 or 3; p is 0, 1 or 2; and R.sup.3 is hydrogen, a salt-forming cation or an ester-forming group; and the symbol .dbd./.dbd.
    Type: Grant
    Filed: May 24, 1995
    Date of Patent: March 14, 2000
    Assignee: SmithKline Beecham plc
    Inventors: Nigel John Perryman Broom, Frank Peter Harrington