• First ideas and concepts at the "Institut für Maschinenkonstruktion und Getriebebau" (IMK) of the Universität Stuttgart regarding a "Fox Vaccination Machine",
  • First contacts with the Flugdienst Magdeburg (FMD) and the Impfstoffwerk Dessau-Tornau (IDT), discussion of the first studies.


  • Application of SURVIS for patent letters,


  • Organisation of the Event "Possibilities using SURVIS" at the Airfield Walldürn, Germany. Members:  Responsible agencies, veterinarians and experts for the issue "Rabies Vaccination",


  • Presentation SURVIS at the international rabies meeting of the World Health Organisation (WHO) in Portoroz / Slovenia,
  • Rising acceptance in Germany.


  • Assignation of the patent to Dr.-Ing. Peter Gschwendner,
  • SURVIS is used the first time against swine fever in Mecklenburg-Vorpommern, Germany and being presented to the responsible veterinarians at the airfield Rechlin/Lärz,
  • SURVIS becomes the unchallenged system for the distribution of baits in Germany.


  • Annulment of the "Holzhofer & Gschwendner Company" and cancelling the cooperation by Dr.-Ing. Peter Gschwendner.



  • Presentation SURVIS at the international Rabies-Conference in Peterborough, Canada.

up to now:

  • Concentration on development and quality assurance,
  • Successful cooperation with the Flugdienst Magdeburg,
  • Permanent action of 5 systems in germany,
  • Documented distribution  of ca. 100 millionen baits in germany,
  • Redesign of the control unit,
  • Development CAD software to analyse wide area vaccination campaigns,
  • Outlook into other countries...