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For the Inventor, By the Inventor

Denver, CO, United States of America

Spiral Drilling Systems, Inc.


USPTO Granted Patents = 1

Forward Citations = 102

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1 inventor (with patents filed for the assignee):

goldMedal Lawrence Frear (1 out of 2 patents)


1 patent:

1. 4552232 - Drill-bit with full offset cutter bodies (1985-11-12),
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USPTO Data Jan 1 1976 - Jan 20 2026

1 Patents

#620 in Denver, CO

#3,387 in Colorado

#134,345 in US

...
Denver, CO, United States of America

Spiral Drilling Systems, Inc.

Forward Citations = 102

1 inventor:

goldMedal Lawrence Frear (1 out of 2 patents)

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