Lester V. Broersma

Person

Bellflower, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Multiple density helmet body compositions to strengthen helmet
- Patent number 5,351,341
- Issue date Oct 4, 1994
- Bell Sports Inc.
- Lester V. Broersma
- A42 - HEADWEAR
Information Patent Grant
Multiple density helmet body compositions to strengthen helmet
- Patent number 5,309,576
- Issue date May 10, 1994
- Bell Helmets Inc.
- Lester V. Broersma
- A42 - HEADWEAR
Information Patent Grant
Reinforced expanded plastic helmet construction
- Patent number 5,269,025
- Issue date Dec 14, 1993
- Bell Bicycles, Inc.
- Lester V. Broersma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Helmet retention system with adjustable buckle
- Patent number 5,123,121
- Issue date Jun 23, 1992
- Bell Helmets, Inc.
- Lester V. Broersma
- A42 - HEADWEAR
Information Patent Grant
Reinforced expanded plastic helmet construction
- Patent number 5,119,516
- Issue date Jun 9, 1992
- Bell Sports, Inc.
- Lester V. Broersma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Reinforced expanded plastic helmet construction
- Patent number 5,099,523
- Issue date Mar 31, 1992
- Bell Bicycles, Inc.
- Lester V. Broersma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Helmet with strap holder
- Patent number 4,903,348
- Issue date Feb 27, 1990
- Bell Bicycles, Inc.
- Lester V. Broersma
- A42 - HEADWEAR
Information Patent Grant
Helmet retention system with adjustable buckle
- Patent number 4,901,373
- Issue date Feb 20, 1990
- Bell Helmets, Inc.
- Lester V. Broersma
- A42 - HEADWEAR
Information Patent Grant
Helmet strap clip, and assembly
- Patent number 4,897,888
- Issue date Feb 6, 1990
- Bell Bicycles, Inc.
- Lester V. Broersma
- A42 - HEADWEAR
Information Patent Grant
Aerodynamic bicyclist's helmet construction
- Patent number 4,653,123
- Issue date Mar 31, 1987
- Bell Helmets Inc.
- Lester V. Broersma
- A42 - HEADWEAR
Information Patent Grant
Ventilated helmet
- Patent number 4,627,115
- Issue date Dec 9, 1986
- Bell Helmets Inc.
- Lester V. Broersma
- A42 - HEADWEAR
Information Patent Grant
Removably attachable shield for helmet visor
- Patent number 4,625,341
- Issue date Dec 2, 1986
- Bell Helmets Inc.
- Lester V. Broersma
- A42 - HEADWEAR
Information Patent Grant
Helmet with adjustable ventilation
- Patent number 4,612,675
- Issue date Sep 23, 1986
- Bell Helmets Inc.
- Lester V. Broersma
- A42 - HEADWEAR
Information Patent Grant
Ventilated helmet
- Patent number 4,555,816
- Issue date Dec 3, 1985
- Bell Helmets Inc.
- Lester V. Broersma
- A42 - HEADWEAR
Information Patent Grant
Bicyclists helmet with air flow and perspiration control
- Patent number 4,434,514
- Issue date Mar 6, 1984
- Bell Helmets Inc.
- James G. Sundahl
- A42 - HEADWEAR
Information Patent Grant
Cyclist's vented helmet with visor
- Patent number D272770
- Issue date Feb 28, 1984
- James G. Sundahl
- D02 - Apparel and haberdashery
Information Patent Grant
Cyclist's vented helmet
- Patent number D272769
- Issue date Feb 28, 1984
- Bell Helmets Inc.
- James G. Sundahl
- D02 - Apparel and haberdashery

Lester V. Broersma

Person

Patents Grantslast 30 patents

Multiple density helmet body compositions to strengthen helmet

Multiple density helmet body compositions to strengthen helmet

Reinforced expanded plastic helmet construction

Helmet retention system with adjustable buckle

Reinforced expanded plastic helmet construction

Reinforced expanded plastic helmet construction

Helmet with strap holder

Helmet retention system with adjustable buckle

Helmet strap clip, and assembly

Aerodynamic bicyclist's helmet construction

Ventilated helmet

Removably attachable shield for helmet visor

Helmet with adjustable ventilation

Ventilated helmet

Bicyclists helmet with air flow and perspiration control

Cyclist's vented helmet with visor

Cyclist's vented helmet