Wednesday, September 5, 2012

15 Patents of Harry Albert Hamilton of Natrona Heights PA According to Google 9_2012

My Grand Dad Harry A. Hamilton of Natrona Heights PA definately recieved credit on the following patents.

1.  us3201345

2.  us3461064

3.  us3491020

4.  us3541003

5.  us3551352

6.  us3553106

7.  us3562150

8.  us3684687

9.  us3741887

10.  us3741888

11.  us3741889

12.  us3746637

13.  us3759825

14.  us3785964

15.  us3907666. 


This blog is a redo from an earlier one.

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