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For the Inventor, By the Inventor

Wausau, WI, United States of America

Murray Machinery, Inc.


USPTO Granted Patents = 3

Forward Citations = 55

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3 inventors (with patents filed for the assignee):

goldMedal Jack R Haller (2 out of 2 patents)

silverMedal Dino M Demopoulos (2 out of 2 patents)

bronzeMedal William M Haselton (1 out of 2 patents)


3 patents:

1. 4503893 - Disc type wood chipper knife having positioning serrations and (1985-03-12),
2. 4423758 - Disc type wood chipper knife having position adjusting serrations (1984-01-03),
3. 4351487 - Knife assembly for chopping apparatus (1982-09-28),
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USPTO Data Jan 1 1976 - Dec 16 2025

3 Patents

#8 in Wausau, WI

#1,461 in Wisconsin

#71,953 in US

...
Wausau, WI, United States of America

Murray Machinery, Inc.

Forward Citations = 55

3 inventors:

goldMedal Jack R Haller (2 out of 2 patents)

silverMedal Dino M Demopoulos (2 out of 2 patents)

bronzeMedal William M Haselton (1 out of 2 patents)

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