For the Inventor, By the Inventor

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Saskatoon, Canada

Engineered Instruments, Inc.

USPTO Granted Patents = 3

Forward Citations = 22

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2 inventors (with patents filed for the assignee):

Dennis Z Mraz (3 out of 25 patents)

Anil Mahyera (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5018389 - Rock-stress measuring method (1991-05-28),

2. 4976571 - Anchor device for securing rock bolts (1990-12-11),

3. 4820095 - Anchor device for securing rock bolts (1989-04-11),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#27 in Saskatoon

#4,250 in Canada

Saskatoon, Canada

Engineered Instruments, Inc.

Forward Citations = 22

2 inventors:

Dennis Z Mraz (3 out of 25 patents)

Anil Mahyera (1 out of 1 patent)

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