Forward Citations = 96

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4 inventors (with patents filed for the assignee):

Robert N Laroche (5 out of 5 patents)

William R Worrell (4 out of 15 patents)

Michael J Armstrong (1 out of 1 patent)

4. Williams R Worrell (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. D296172 - Combined desk top and movable CRT support unit (1988-06-14),

2. D292154 - Work table or similar article (1987-10-06),

3. D291853 - Multiple desk top unit (1987-09-15),

4. D289954 - Desk top or similar article (1987-05-26),

5. 4637666 - Office furniture desk top with adjustable CRT carriage and tracking (1987-01-20),

Company Overview

All-steel Canada Ltd. is a leading provider of steel products and solutions in Canada. With over 20 years of experience in the industry, we offer a wide range of high-quality steel products including beams, pipes, and plates. Our commitment to quality, reliability, and excellent customer service has made us a trusted partner for construction companies, manufacturers, and contractors across the country.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#200 in Montreal

#2,851 in Canada

Montreal, Canada

All-Steel Canada Ltd.

Forward Citations = 96

4 inventors:

Robert N Laroche (5 out of 5 patents)

William R Worrell (4 out of 15 patents)

Michael J Armstrong (1 out of 1 patent)

4. Williams R Worrell (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: All-Steel Canada Ltd.. Retrieved from https://idiyas.com/company/all-steel-canada

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]