David Gerard DuHaime

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Ivyland, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Trigger assemblies for firearms
- Patent number 11,193,726
- Issue date Dec 7, 2021
- WHG Properties, LLC
- William H. Geissele
- F41 - WEAPONS
Information Patent Grant
Trigger assemblies for firearms
- Patent number 10,809,030
- Issue date Oct 20, 2020
- WHG Properties, LLC
- William H. Geissele
- F41 - WEAPONS
Information Patent Grant
Trigger assemblies for firearms
- Patent number 10,704,853
- Issue date Jul 7, 2020
- WHG Properties, LLC
- William H. Geissele
- F41 - WEAPONS
Information Patent Grant
Methods of manufacturing a segmented brush seal for sealing between...
- Patent number 7,565,729
- Issue date Jul 28, 2009
- General Electric Company
- William E. Adis
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

Information Patent Application
FIREARM BOLT ASSEMBLY
- Publication number 20250146771
- Publication date May 8, 2025
- WHG Properties, LLC
- William H. Geissele
- F41 - WEAPONS
Information Patent Application
TRIGGER ASSEMBLIES FOR FIREARMS
- Publication number 20200271409
- Publication date Aug 27, 2020
- WHG Properties, LLC
- William H. Geissele
- F41 - WEAPONS
Information Patent Application
TRIGGER ASSEMBLIES FOR FIREARMS
- Publication number 20200096275
- Publication date Mar 26, 2020
- WHG Properties, LLC
- William H. Geissele
- F41 - WEAPONS
Information Patent Application
TRIGGER ASSEMBLIES FOR FIREARMS
- Publication number 20200064095
- Publication date Feb 27, 2020
- WHG Properties, LLC
- William H. Geissele
- F41 - WEAPONS
Information Patent Application
Methods of manufacturing a segmented brush seal for sealing between...
- Publication number 20070214628
- Publication date Sep 20, 2007
- GENERAL ELECTRIC COMPANY
- William E. Adis
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES