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For the Inventor, By the Inventor

Livonia, MI, United States of America

Holcroft/loftus Inc.


USPTO Granted Patents = 2

Forward Citations = 21

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4 inventors (with patents filed for the assignee):

goldMedal Gary D Keil (1 out of 14 patents)

silverMedal John W Smith (1 out of 1 patent)

bronzeMedal Ronald E Opfer, Jr (1 out of 1 patent)

4.  Madhu Bhatnagar (1 out of 1 patent)


2 patents:

1. 4869730 - Endothermic gas generator (1989-09-26),
2. 4763880 - Rotary hearth multi-chamber, multi-purpose furnace system (1988-08-16),
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USPTO Data Jan 1 1976 - Sep 15 2026

2 Patents

#63 in Livonia, MI

#3,185 in Michigan

#94,628 in US

Livonia, MI (US)
Livonia, MI, United States of America

Holcroft/loftus Inc.

Forward Citations = 21

4 inventors:

goldMedal Gary D Keil (1 out of 14 patents)

silverMedal John W Smith (1 out of 1 patent)

bronzeMedal Ronald E Opfer, Jr (1 out of 1 patent)

4.  Madhu Bhatnagar (1 out of 1 patent)

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