Leonard P. Frieder Sr., deceased

Person

late of Clarks Green, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Helmet mounted visor
- Patent number 11,350,689
- Issue date Jun 7, 2022
- Gentex Corporation
- Leonard P. Frieder
- A42 - HEADWEAR
Information Patent Grant
Helmet impact attenuation article
- Patent number 11,089,832
- Issue date Aug 17, 2021
- Gentex Corporation
- Leonard P. Frieder
- F41 - WEAPONS
Information Patent Grant
Rimless spectacles and method for making the same
- Patent number 6,752,893
- Issue date Jun 22, 2004
- Gentex Corporation
- Leonard P. Frieder
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Visibly transparent dyes for through-transmission laser welding
- Patent number 6,656,315
- Issue date Dec 2, 2003
- Gentex Corporation
- Robert A. Sallavanti
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Protective helmet
- Patent number RE32569
- Issue date Jan 5, 1988
- Gentex Corporation
- Jackson A. Aileo
- 002 - Apparel
Information Patent Grant
Local external communication device for enclosed helmet and mask as...
- Patent number 4,374,301
- Issue date Feb 15, 1983
- Gentex Corporation
- Leonard P. Frieder
- A42 - HEADWEAR
Information Patent Grant
Custom-fitted helmet and method of making same
- Patent number 4,345,338
- Issue date Aug 24, 1982
- Gentex Corporation
- Leonard P. Frieder
- A42 - HEADWEAR
Information Patent Grant
Headset having double-coil earphone
- Patent number 4,132,861
- Issue date Jan 2, 1979
- Gentex Corporation
- Leonard P. Frieder
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Sound attenuating earcup assembly provided with receivers and conta...
- Patent number 4,087,653
- Issue date May 2, 1978
- Gentex Corporation
- Leonard P. Frieder
- A42 - HEADWEAR
Information Patent Grant
Protective helmet assembly with segmental outer shell
- Patent number 4,023,209
- Issue date May 17, 1977
- Gentex Corporation
- Leonard P. Frieder
- A42 - HEADWEAR
Information Patent Grant
Simplified protective helmet assembly
- Patent number 3,994,023
- Issue date Nov 30, 1976
- Gentex Corporation
- Jackson A. Aileo
- A42 - HEADWEAR
Information Patent Grant
Alarm system for cargo box
- Patent number 3,952,295
- Issue date Apr 20, 1976
- Gentex Corporation
- August G. Luisada
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
Helmet Impact Attenuation Liner
- Publication number 20220225720
- Publication date Jul 21, 2022
- GENTEX CORPORATION
- Leonard Peter Frieder
- B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information Patent Application
Helmet Impact Attenuation Article
- Publication number 20220007773
- Publication date Jan 13, 2022
- GENTEX CORPORATION
- Leonard P. Frieder
- A42 - HEADWEAR
Information Patent Application
Helmet Mounted Visor
- Publication number 20190365009
- Publication date Dec 5, 2019
- GENTEX CORPORATION
- Leonard P. Frieder
- G02 - OPTICS
Information Patent Application
Helmet Impact Attenuation Article
- Publication number 20180140037
- Publication date May 24, 2018
- GENTEX CORPORATION
- Leonard P. Frieder
- B32 - LAYERED PRODUCTS
Information Patent Application
Rimless spectacles and method for making the same
- Publication number 20030062117
- Publication date Apr 3, 2003
- Leonard P. Frieder
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Leonard P. Frieder Sr., deceased

Person

Patents Grantslast 30 patents

Helmet mounted visor

Helmet impact attenuation article

Rimless spectacles and method for making the same

Visibly transparent dyes for through-transmission laser welding

Protective helmet

Local external communication device for enclosed helmet and mask as...

Custom-fitted helmet and method of making same

Headset having double-coil earphone

Sound attenuating earcup assembly provided with receivers and conta...

Protective helmet assembly with segmental outer shell

Simplified protective helmet assembly

Alarm system for cargo box

Patents Applicationslast 30 patents

Helmet Impact Attenuation Liner

Helmet Impact Attenuation Article

Helmet Mounted Visor

Helmet Impact Attenuation Article

Rimless spectacles and method for making the same