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Forward Citations = 147

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6 inventors (with patents filed for the assignee):

Frank E Wagstaff (7 out of 12 patents)

Richard J Collins (2 out of 9 patents)

William G Wagstaff (2 out of 2 patents)

4. David A Fort (1 out of 3 patents)

5. Robert B Wagstaff (1 out of 9 patents)

6. Hans Fischer (1 out of 2 patents)

7 patents: Sort by Forward Citations

1. 5119883 - Apparatus and process for direct cooling an emerging ingot with (1992-06-09),

2. 5040595 - Means and technique for direct cooling an emerging ingot with gas-laden (1991-08-20),

3. 4947925 - Means and technique for forming the cavity of an open-ended mold (1990-08-14),

4. 4693298 - Means and technique for casting metals at a controlled direct cooling (1987-09-15),

5. 4598763 - Direct chill metal casting apparatus and technique (1986-07-08),

6. 4597432 - Molding device (1986-07-01),

7. 4421155 - Machine duplicatable, direct chill flat ingot casting mold with (1983-12-20),

Wagstaff Engineering, Inc. is a leading engineering firm specializing in providing innovative solutions for various industries. With over 20 years of experience, we offer a wide range of services including structural design, project management, and construction support. Our team of skilled professionals is dedicated to delivering high-quality and cost-effective solutions to meet our clients' needs.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

7 Patents

#37 in Spokane, WA

#878 in Washington

#38,792 in US

Spokane, WA, United States of America

Wagstaff Engineering, Inc.