Forward Citations = 36

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2 inventors (with patents filed for the assignee):

Robert J Warner (4 out of 6 patents)

Emory J Clark (4 out of 4 patents)

4 patents: Sort by Forward Citations

1. 5433007 - Self-centering impact hand tool (1995-07-18),

2. 5426858 - Combination center punch and prick punch (1995-06-27),

3. D354663 - Impact hand tool (1995-01-24),

4. 5307741 - Impact hand stamping device (1994-05-03),

Spring Line, Inc. is a leading provider of innovative spring solutions for a variety of industries. With over 20 years of experience, we specialize in designing and manufacturing custom springs to meet our clients' unique requirements. Our state-of-the-art facilities and skilled team ensure high-quality products and timely delivery. Contact us today to learn how we can help with your spring needs.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

4 Patents

#55 in Spokane, WA

#1,462 in Washington

#60,561 in US

Spokane, WA, United States of America

Spring Line, Inc.

Forward Citations = 36

2 inventors:

Robert J Warner (4 out of 6 patents)

Emory J Clark (4 out of 4 patents)

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