Patent holdings for IPC class E01B 3/08

Total number of patents in this class: 2

10-year publication summary

0
0
0
0
0
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2
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0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Heritage Research Group, LLC
70
2
Other owners 0