PRLB - Proto Labs (PRLB) Q4 2022 Earnings Call Transcript February, 10 2023 01:30 PM Proto Labs Inc. Image source: The Motley Fool. Proto Labs (NYSE: PRLB) Q4 2022 Earnings Call Feb 10, 2023 , 8:30 a.m. ET Operator Continue reading For further details see: Proto Labs (PRLB) Q4 2022 Earnings Call Transcript