This inventor holds 5 USPTO granted patents. Top assignees: Canadian Patents & Development Ltd., Canadian Patents and Development Limited/societe Canadienne Des Brevets, National Research Council of Canada. Active years: 1987-1999.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ottawa, CA (1987)
- Gloucester, CA (1988 - 1999)
Company Filing History:
2 out of 424 
1 out of 45 
1 out of 1,039 Years Active: 1987-1999
Title: Andre H Lawrence: Innovator in Vapor Detection Technology
Introduction
Andre H Lawrence is a notable inventor based in Gloucester, CA. He has made significant contributions to the field of vapor detection, holding a total of 5 patents. His innovative work focuses on methods and devices that enhance the detection of harmful substances, particularly in the context of law enforcement and safety.
Latest Patents
One of his latest patents is for a method and device for trace vapor detection. This invention involves sampling air suspected of containing cocaine vapors and passing it through a filtration system that removes particulate matter while binding the vapors for further analysis. A preferred associated compound-vapor is ecgonidine methyl ester (EDME), which serves as a marker for the presence of cocaine. The device is designed with sampling, filtration, and vacuum port components, making it easy to attach to a container and suction source for air sampling.
Another significant patent is a thermally-releasable sample collecting device. This device features a pistol-shaped casing with a blunt-ended probe and an adsorber tube that can slide within a collar. The adsorber tube is designed to draw air through the probe and then allow carrier gas to pass along the tube, entraining thermally released samples for analysis. This innovative design enhances the efficiency of sample collection in various applications.
Career Highlights
Throughout his career, Andre H Lawrence has worked with several organizations, including Canadian Patents & Development Ltd. and Revenue Canada. His experience in these companies has contributed to his expertise in patent development and innovation.
Collaborations
Andre has collaborated with notable individuals in his field, including Lorne Elias and Pavel Slavomir Neudorfl. These collaborations have further enriched his work and expanded the impact of his inventions.
Conclusion
Andre H Lawrence is a distinguished inventor whose work in vapor detection technology has made significant strides in safety and law enforcement applications. His innovative patents reflect his commitment to advancing detection methods and devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile