Inventor · disambiguated record

Delmar E. Mullen

Also filed as: MULLEN DELMAR E · MULLEN DELMAR EUGENE

2 granted patents·37 citations·filing 1976–1976

61Inventor score

Technology areasG10D

Files withMULLEN DELMAR E1 MULLEN DELMAR EUGENE1

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2 records

0172US4141271AMethod and apparatus for preventing improper string returnMULLEN DELMAR E·Filed 1976·Granted Feb 27, 1979·29 cites·7 claims
0228US4077296ATone control and tuning apparatus for a stringed instrumentMULLEN DELMAR EUGENE·Filed 1976·Granted Mar 7, 1978·8 cites·32 claims

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