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Forward Citations = 46

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11 inventors (with patents filed for the assignee):

Suren B Rao (2 out of 2 patents)

Carrol L King (2 out of 2 patents)

Harvey J Yera (2 out of 2 patents)

4. Richard W Schwartz (1 out of 1 patent)

5. David A Iwaniuk (1 out of 1 patent)

6. Carol L King (1 out of 1 patent)

7. Donald W Mast (1 out of 1 patent)

8. Richard G Keehn (1 out of 1 patent)

9. Eugene J Bistrick (1 out of 5 patents)

10. Axel B Abrahamsson (1 out of 5 patents)

11. Margaret Wieczorek (1 out of 1 patent)

8 patents: Sort by Forward Citations

1. 5435676 - Two-stage broaching of engine block bearings (1995-07-25),

2. 5421683 - Machine tool with temperature compensation (1995-06-06),

3. 5326201 - Loader/unloader for blind broaching (1994-07-05),

4. 5257886 - Coolant distribution system for blind broaching (1993-11-02),

5. 5167603 - Apparatus for progressive blind broaching (1992-12-01),

6. 4924842 - Optimization method and apparatus for dressing a grinding wheel (1990-05-15),

7. 4755950 - Stock divider including a computer controlled gear locator (1988-07-05),

8. 4671709 - Pot broach (1987-06-09),

National Broach & Machine Company is a leading manufacturer of broaching machines and tools, serving various industries including automotive, aerospace, and defense. With over 70 years of experience, we specialize in designing and building custom broaching solutions for our clients. Our commitment to quality and innovation has made us a trusted partner for companies seeking precision machining solutions.

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USPTO Data Jan 1 1976 - Jan 6 2026

8 Patents

#4 in Mt. Clemens, MI

#1,209 in Michigan

#34,944 in US

Mt. Clemens, MI, United States of America

National Broach & Machine Company