Robert Ingraham Zweigler

License

Licensed by

California Board for Professional Engineers, Land Surveyors, and Geologists

License number

2120

Status

Active

First issued

July 14, 1989

Expires

June 30, 2028

License holder

Robert Ingraham Zweigler

Entity type

Individual

Classifications

• Geotechnical Engineer Engineering, Architecture & Surveying

Other California licenses under this name

• CA
  Robert Ingraham Zweigler

  License 33744

  Civil Engineer
  Active

  Glendale, CA

  Expires Jun 30, 2028
• CA
  Robert Ingraham Zweigler

  License 1210

  Engineering Geologist
  Active

  Thousand Oaks, CA

  Expires Nov 30, 2026
• CA
  Robert Ingraham Zweigler

  License 3877

  Professional Geologist
  Active

  Thousand Oaks, CA

  Expires Nov 30, 2026

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