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Claims (1)
The ornamental design for a grinder burr, as shown and described.
References Cited (12)
US 901647A
· Richards
· 1908
[cited by examiner]
US 2293422A
· Brown
· 1942
[cited by examiner]
US 5244159A
· Newnan
· 1993
[cited by examiner]
US D944606S
· Hansen
· 2022
[cited by examiner]
US D990239S
· Saito
· 2023
[cited by examiner]