Inventor · disambiguated record
Robert F. Humberstone
Also filed as: HUMBERSTONE ROBERT F
10 granted patents·76 citations·filing 2020–2024
89Inventor score
Files withPRATT CORRUGATED HOLDINGS INC10
Top patents by PatentIndex Score
10 records- 0196US11731800B2Method of using a locking boxPRATT CORRUGATED HOLDINGS INC·Filed 2022·Granted Aug 22, 2023·12 cites·20 claims
- 0296US11377252B2Locking boxPRATT CORRUGATED HOLDINGS INC·Filed 2020·Granted Jul 5, 2022·19 cites·17 claims
- 0395US11945627B2Locking boxPRATT CORRUGATED HOLDINGS INC·Filed 2023·Granted Apr 2, 2024·10 cites·20 claims
- 0495US11840379B2Tamper-evident boxPRATT CORRUGATED HOLDINGS INC·Filed 2020·Granted Dec 12, 2023·12 cites·23 claims
- 0594US12172806B2Tamper-evident boxPRATT CORRUGATED HOLDINGS INC·Filed 2023·Granted Dec 24, 2024·4 cites·24 claims
- 0694US12162657B2Method of using a tamper-evident boxPRATT CORRUGATED HOLDINGS INC·Filed 2023·Granted Dec 10, 2024·4 cites·23 claims
- 0792US12365509B2Tamper-evident boxPRATT CORRUGATED HOLDINGS INC·Filed 2024·Granted Jul 22, 2025·1 cites·20 claims
- 0883USD1037847SLocking tab for a boxPRATT CORRUGATED HOLDINGS INC·Filed 2020·Granted Aug 6, 2024·9 cites·1 claims
- 0966USD1057557SLocking tab for tamper-evident boxPRATT CORRUGATED HOLDINGS INC·Filed 2020·Granted Jan 14, 2025·4 cites·1 claims
- 1060USD1085872SBox with locking tabPRATT CORRUGATED HOLDINGS INC·Filed 2024·Granted Jul 29, 2025·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →