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For the Inventor, By the Inventor

Fort Washington, PA, United States of America

Rorer Group, Inc.


USPTO Granted Patents = 2

Forward Citations = 51

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2 inventors (with patents filed for the assignee):

goldMedal Leonard J Bonnell (1 out of 10 patents)

silverMedal Gary A DiVincenzo (1 out of 1 patent)


2 patents:

1. 4506673 - Therapeutic treatment within joint capsules of the body (1985-03-26),
2. 4223856 - Helicopter ground handling equipment (1980-09-23),
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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#23 in Fort Washington, PA

#3,422 in Pennsylvania

#94,730 in US

Fort Washington, PA (US)
Fort Washington, PA, United States of America

Rorer Group, Inc.

Forward Citations = 51

2 inventors:

goldMedal Leonard J Bonnell (1 out of 10 patents)

silverMedal Gary A DiVincenzo (1 out of 1 patent)

Please report any incorrect information to [email protected]
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