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For the Inventor, By the Inventor

Indianapolis, IN, United States of America

Wallace Expanding Machines, Inc.


USPTO Granted Patents = 3

Forward Citations = 21

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1 inventor (with patents filed for the assignee):

goldMedal Ralph E Roper (3 out of 19 patents)


3 patents:

1. 4576030 - Stretch form die (1986-03-18),
2. 4536931 - Bearing burnishing method and apparatus (1985-08-27),
3. 4062215 - Process for expanding wheel components (1977-12-13),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#230 in Indianapolis, IN

#1,035 in Indiana

#72,030 in US

...
Indianapolis, IN, United States of America

Wallace Expanding Machines, Inc.

Forward Citations = 21

1 inventor:

goldMedal Ralph E Roper (3 out of 19 patents)

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