Patents Assigned to James S. Waldron
  • Truck trailer with removable side panels
    Patent number: 5026112
    Abstract: A dry van truck trailer or cargo area is provided with a plurality of removable side panels which can be removed by opening the rear door and sliding the panels outwardly from the rear of the truck trailer or cargo area when the rear door is in the open position to thereby permit side-loading or utilization of the floor as a flat-bed. When the side panels are in place, they seal against each other and against adjacent components to render the truck trailer or cargo area as a water tight dry van.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: June 25, 1991
    Assignee: James S. Waldron
    Inventor: Ronald K. Rice
  • Pyridopyrimidinone derivatives
    Patent number: 4361700
    Abstract: Derivatives of pyridopyrimidinone of the following formulae: ##STR1## wherein Y is C.dbd.S, C.dbd.O, SO.sub.2, or CH.sub.2 ;Z is C--H, N, S or O;R.sub.1 is hydrogen, hydroxyl, halogen, lower alkyl or R.sub.3 ;R.sub.2 is hydrogen, aliphatic hydrocarbon, substituted aliphatic hydrocarbon or carbocyclic aryl-aliphatic hydrocarbon, wherein the substituent of the aliphatic hydrocarbon may be hydroxyl, halogen, alkoxy, carboxylic acid ester, or lower alkyl amine;R.sub.3 is ##STR2## wherein A is carbon, nitrogen, oxygen, or sulfur; R.sub.
    Type: Grant
    Filed: May 20, 1980
    Date of Patent: November 30, 1982
    Assignee: James S. Waldron
    Inventors: William P. Purcell, Richard D. Gilliom, Harlie A. Parish, Jr.